Executive & Medical Leadership

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Read about our leadership team who have devoted their professional lives to building a community healthcare system that works.

  • Assaad Sayah, MD, FACEP - Chief Executive Officer

    Assad Sayah,MDAssaad Sayah, MD, was named CHA's Chief Executive Officer in January 2020. Dr. Sayah, the health system's chief medical officer, served as the interim CEO since June 2019. He previously served as Chief Medical Officer since 2013 and was Chief of Emergency Medicine and Senior Vice President of Primary Care at CHA

    Dr. Sayah's leadership has been a critical component of CHA's growth and success over the past decade. Before being named the chief medical officer, he served as the chief of emergency medicine and senior vice president of primary care. In the Emergency Department, Dr. Sayah led tremendous advancements at all three CHA hospitals, resulting in enhanced efficiency, quality, volume and patient satisfaction. He spearheaded primary care growth by more than 50 percent, expanding CHA's access in underserved communities and integrating primary care and behavioral health services and systems to address social determinants of health. He also plays a key role in CHA's commitment to the communities it serves, including his tenure as the co-chair of the Cambridge City Manager's Opioid Working Group established in 2018 to develop recommendations for strengthening the city's response to the opioid epidemic.

    Additionally, Dr. Sayah served as chairman of CHA's Chiefs Council and president of the CHA Medical Staff, and he continues to serve on the faculty at Harvard Medical School. His research and publications focus on Emergency Department operation and emergency medical services, including design of the EMS system, continuous quality improvement, advanced directives, violence and weapons, disaster planning and pre-hospital thrombolytics.

    Prior to joining CHA, Dr. Sayah held leadership roles at several area hospitals, including director of EMS for Brigham and Women's Hospital, associate chief for the Department of Emergency Medicine at St. Elizabeth's Medical Center and chairman of the Department of Emergency Medicine at Caritas Good Samaritan Medical Center. He received his medical doctorate from the University of Massachusetts Medical Center and completed his residency in emergency medicine at William Beaumont Hospital in Michigan.

  • Renée Kessler - Executive Vice President and Chief Operating Officer

    Renee KesslerRenée Kessler joined CHA in 2014 as Executive Vice President and Chief Operating Officer, bringing a 25-year record of operations leadership experience. During her career, Renée has been a leader, mentor, and team player, achieving success in a range of large and complex hospital environments that care for vulnerable populations.

    From 2007-2014, Renée served as Chief Operating Officer of Saint Thomas Midtown Hospital, a 683-bed urban teaching hospital in Nashville, TN. In this role she was responsible for all patient care operations, including quality and safety, staff and physician satisfaction, and overall budget, productivity, and cost performance. During her tenure, the hospital's operating margins grew from 5% to 8.6%. She also directed a four-year effort to achieve Voluntary Protection Program status through the Occupational Safety and Health Administration focused on employee safety, which was secured in 2012, making Saint Thomas Midtown the first Tennessee hospital and 14th in the United States to achieve this distinction.

    Prior to her work in Nashville, Renée served as the Chief Operating Officer/Administrator at Mountainside Hospital in Montclair, NJ, a 350-bed community teaching hospital. She led a significant financial turnaround spurred by revenue enhancement and program growth that saw the hospital achieve break-even cash flow two years ahead of schedule. She also developed a strategic plan that resulted in program and volume growth and the recruitment of new physicians in various service lines.

    Kessler earned her bachelor's degree in English from the University of Michigan and a master's degree in health care administration from Ohio State University.

  • Maren Batalden, MD, MPH - Chief Quality Officer

    Dr. Maren Batalden

    Maren Batalden, MD, MPH, is the chief quality officer at CHA. Maren has played a key role at CHA for many years, previously serving as associate chief quality officer before assuming interim CQO responsibilities in November 2019.

    She has provided leadership for improvement projects focused on inpatient care, care transitions and cross-continuum population health for patients with chronic disease. She created and continues to direct the CHA-Gold Innovation Fellowship Program, which provides a platform for CHA clinicians and leaders to grow their skills in improvement science and change management.

    As part of the Incident Command team that guided CHA's COVID-19 response, Dr. Batalden provided compassionate and critical leadership to help build CHA’s inpatient capacity, apply evidence-based and data-driven solutions, develop modeling to forecast resource needs, and establish policies and protocols to ensure CHA delivered the very best care to our patients and communities. Dr. Batalden is clinically active as a hospitalist and has represented the CHA medical staff as a member of CHA’s Board of Trustees. She is a national authority on using the lens of co-production to create effective partnerships between patients and care teams.

    Dr. Batalden completed her undergraduate education at St. Olaf College in Minnesota and earned a master’s degree in public health from the University of North Carolina at Chapel Hill. She graduated from Harvard Medical School and completed an internal medicine residency at Brigham and Women’s Hospital. Dr. Batalden is an assistant professor of medicine at HMS, where she teaches quality, safety and systems improvement.

  • Jill Batty - Chief Financial Officer

    Jill BattyJill Batty joined CHA as Chief Financial Officer in 2014. With more than 20 years of experience as a strategist, financial executive, and health care consultant, Ms. Batty has worked with a wide variety of providers, hospitals, and physician practices, including those in safety net and integrated health systems.

    Prior to joining CHA, Ms. Batty served as Senior Vice President of Finance and Chief Financial Officer of Cheshire Medical Center/Dartmouth-Hitchcock in Keene, New Hampshire. Her work there helped the organization transition from fee-for-service care to population health management, effectively adapting to state and federal reimbursement shifts while generating significant operating margin improvements.

    Ms. Batty's mission-driven values extend beyond the workplace. She serves as a volunteer for several organizations including Monadnock Family Services and New Hampshire Voices for Health. She holds a bachelor's from the University of Illinois and a master's from the University of Iowa. She has been a certified public accountant since 1989 and is a fellow in the Healthcare Financial Management Association.

  • Traci Brooks, MD - Chief of Pediatrics

    Traci Brooks, MDTraci Brooks, MD, has held nearly every pediatric leadership position across the system since joining CHA in 2000. Dr. Brooks assumed the role of Chief of Pediatrics in April 2022, after serving as the medical director at CHA Cambridge Pediatrics and all three school-based health centers in Cambridge, Somerville and Everett.

    Dr. Brooks is a graduate of the University of Virginia and Johns Hopkins University School of Medicine, and she completed her pediatrics residency and adolescent medicine fellowship at Boston Children’s Hospital. She is an assistant professor of pediatrics at Harvard Medical School and a HMS-Cambridge Integrated Clerkship faculty member. She also provides clinical supervision for transitional and family medicine residents at CHA as well as training for adolescent medicine residents at MassGeneral Hospital for Children (MGHfC) and adolescent medicine residents and fellows at Boston Children’s Hospital.

  • Jeannette Currie - Chief Information Officer

    Portrait of Jeannette CurrieJeannette Currie, was named CHA’s Chief Information Officer in 2023. She comes to CHA from Beth Israel Lahey Health (BILH) where she served in several different positions over eight years, including the CIO of Beth Israel Deaconess Hospital-Milton. In her most recent role as the CIO/VP of EHR services, she oversaw all aspects of information systems at four BILH community hospitals and led a multi-year implementation of its electronic health record. In addition, Jeannette has held IT leadership positions at South Shore and Mount Auburn Hospitals..

  • Joy Curtis - Chief Human Resources Officer

    Joy CurtisJoy Curtis is a trusted advisor, coach, problem solver, and experienced human resources executive. She is the President and Founding Principal of the Human Resources consulting firm, Innovative Solutions HR, LLC. where she has worked extensively with clients in healthcare, higher education and professional services firms. Ms. Curtis founded Innovative Solutions HR, LLC. in 1994.

    From 2005 until 2009, Ms. Curtis served as the Chief People Office at the international law firm, Ropes & Gray LLP where she founded "the People Organization." She was responsible for firm- wide Professional development, legal recruiting, human resources operations, secretarial services, travel, event planning and support for the firm's pro bono activities. In 2009, the organization was voted the best firm to work by associates across the United States in the Vault Survey.

    Prior to founding Innovative Solutions, Ms. Curtis was Vice President, Human Resources at Lawrence & Memorial Hospital in New London, CT, and at Newton-Wellesley Hospital in Newton, MA. She was a member of the Senior Management Teams and responsible for managing human capital. Ms. Curtis has over 25 years of in-depth experience in all aspects of human resources management.

    Ms. Curtis earned her bachelor’s from Yale University and her Master in Business Administration, with high honors, from Boston University. She is a certified coach through Martha Beck, Inc. and is a certified Career Invention coach. She has earned the designation of Senior Professional, HR, (SPHR) from The Society of Human Resource Management.

    In her spare time, she follows her passion for animals by working with animal rescue groups and is a founder and a member of the Board of Directors of the Massachusetts Union for Siberian Huskies, Inc.

  • Carl Fulwiler, MD, PhD - Chair and Chief of Psychiatry

    Dr. Carl FulwilerDr. Fulwiler is the chair and chief of psychiatry and an associate professor in psychiatry at Harvard Medical School. He provides leadership and oversight for all academic and clinical components of the department, and is responsible department faculty for appointments and promotions at Harvard Medical School. Dr. Fulwiler’s career in public sector psychiatry has focused on improving behavioral health outcomes for underserved populations by integrating novel clinical, population health, research, and training approaches.

    Dr. Fulwiler received his MD from Washington University and his PhD in neuroscience from Harvard where he also completed a residency in psychiatry at McLean Hospital. He has held a variety of leadership roles in training, clinical services, and research before joining CHA. Prior to joining CHA in 2020, he was a professor of psychiatry and medicine at the University of Massachusetts Medical School. He has conducted federally-funded research on health services for underserved populations, neuroimaging, and mindfulness-based interventions in healthcare. He is an internationally recognized expert in Mindfulness-Based Cognitive Therapy (MBCT) and conducts professional teacher training in MBCT through the Center for Mindfulness and Compassion at CHA and Harvard Medical School.

  • Andrew M. Fuqua - General Counsel

    Andrew Fuqua, EsqAndrew Fuqua has served as CHA’s Senior Vice President and General Counsel since 2013. Mr. Fuqua's responsibilities include advising the Board of Trustees and all levels of management and staff on a broad range of health law and general corporate issues, including governance, regulatory compliance, contract, labor and employment, pension, tax, licensure, real estate, accreditation, insurance, patient care, and professional staff matters. Mr. Fuqua began his legal career as an associate at Choate, Hall & Stewart before joining CHA as Associate General Counsel in 2006. Before law school, he taught high school history. He is a graduate of Princeton University and the Boston University School of Law.

  • Mark Haas - Chief Administrative Officer, CHA Physicians Organization

    Portrait photograph of Mark HaasMark Haas became chief administrative officer for the Cambridge Health Alliance Physicians Organization (CHAPO) in January 2023. Before coming to CHA, Mark was the vice president of operations of the Tufts Medical Center Physicians Organization in Boston beginning at the start of the COVID-19 pandemic, assuming administrative and financial oversight for more than 625 physicians across more than 20 clinical departments and divisions. Additionally, Mark served as the executive director of the Department of Medicine for six years at Tufts.

    In previous leadership positions in health information management at both Massachusetts General Hospital in Boston and South Shore Hospital in Weymouth, Mass., Mark assisted with EPIC conversions while overseeing key areas in revenue cycle operations. He received the Massachusetts Health Information Management Association's Professional Achievement Award in 2012.

    Mark has served as an assistant adjunct professor at the Tufts University School of Medicine for more than 20 years, teaching courses in healthcare business and informatics. He received the medical school's Lifetime Achievement Award for sustained excellence in teaching in 2013. Mark earned an undergraduate degree in applied physiology and a master's in business administration at Boston University.

  • Carol Hulka, MD - Chief of Radiology

    Carol Hulka, MD, MBASince 2001, Dr. Carol Hulka has been Chief of the Department of Radiology at CHA, and Associate Clinical Professor of Radiology at Harvard Medical School.

    Dr. Hulka received her bachelor's from Brown University and her medical doctorate from Duke University. She completed her medical internship at Beth Israel Hospital and trained as a resident in Radiology at the Brigham and Women's Hospital. Dr. Hulka was an Imaging Fellow at Massachusetts General Hospital. She remained on staff at Massachusetts General Hospital for several years where she published in the field of women's imaging. She initiated and developed the Breast MRI program at MGH for which she was awarded state and federal grant funding.

    During her staff appointment at BIDMC, she completed her Master of Business Administration at Boston University, where she was selected for membership in the Beta Gamma Sigma Society for academic achievement. Dr. Hulka had the opportunity to use this education when offered the position of Chief of Radiology at CHA. Since that time, she has expanded the professional practice from the CHA Cambridge Hospital site to include CHA Somerville Campus and CHA Everett Hospital. Dr. Hulka has overseen transformation of the department to a state-of-the-art facility that is 100% digital (PACS) and paperless, using voice recognition for instant report turnaround. It was one of the first facilities in the area to have digital mammography at all sites and in 2009 was named a Breast Imaging Center of Excellence by the American College of Radiology.

    Dr. Hulka remains active in many Radiologic Societies with roles as Past President of several imaging societies and as a reviewer of scientific presentations and journals. She continues to support radiology education programs with the Harvard Medical School students and rotating residents.

  • Michael L. James - Chief Diversity, Equity and Inclusion Officer

    Michael JamesMichael L. James was named Chief Diversity, Equity and Inclusion Officer (CDEIO) in 2021. As CDEIO, he is responsible for overseeing system-wide diversity, equity and inclusion, multicultural affairs, and patient & volunteer services.

    Prior to joining CHA, Michael was Senior Vice President of Human Resources for the Old Colony YMCA, where he was responsible for directing the development and implementation of association-wide policies and programs for 2,200 employees focused on performance management, leadership development, employee relations, training, talent acquisition and diversity, equity & inclusion in collaboration with the executive management team. He also served as Association Director of Human Resources for the YMCA of Greater Boston; CDO and Director of Inclusion, Mobility and Corporate Diversity at Blue Cross Blue Shield of Massachusetts; and principal of his own management consulting firm specializing in diversity, community relations and organizational change. Michael's prior roles include Chief Diversity Officer and Director of Community Relations at the Boston Architectural College (BAC); Chief of Equal Opportunity and Diversity at MBCR; leading human resources for a division of BAE Systems; and working in the financial industry for several years at BankBoston.

    Michael's volunteer positions include serving as a strategic advisor and facilitator for the Northeast Human Resources Association and City-Wide Dialogues on Ethnic & Racial Diversity.

    He holds an MBA from Suffolk University and a BA in psychology from the University of Massachusetts at Boston. He grew up in Boston and he is the proud husband to Charlotte and father to their three wonderful children.

  • Doug Kress - Chief Community Officer

    Portrait of Doug KressDoug Kress was named chief community officer in April 2022. As chief community officer, Doug cultivates relationships and builds partnerships with community-based nonprofit groups, local governments, and state and regional agencies to advance CHA's clinical, research, and policy initiatives. He oversees the Department of Community Health Improvement, which leads efforts to improve access and health status outcomes in the communities we serve.

    From 2015-2022, Doug was the director of health and human services for the City of Somerville (Mass.), during which time he successfully reorganized and expanded the Department of Health and Human Services, overseeing areas including public and school health, prevention, emergency preparedness, the Council on Aging, and veterans' services. Prior to that position, Doug held several public administrator roles in Minnesota, including director of development services for the City of Minneapolis and senior policy aide for a Minneapolis City Council member. He holds a master's degree in education from the University of Minnesota and a master's in public policy from Tufts University.

  • Ben Milligan, MD, FACEP - Chief of Emergency Medicine

    Benjamin Milligan, MDBenjamin Milligan, MD, FACEP is chief of emergency medicine at Cambridge Health Alliance (CHA). CHA's Department of Emergency Medicine serves nearly 100,000 patients annually at the Cambridge and Everett Emergency Departments as well as the Urgent Care located at the CHA Somerville campus.

    Dr. Milligan is also an assistant professor in the Department of Emergency Medicine at Harvard Medical School. Prior to joining CHA, Dr. Milligan was a clinical instructor in Emergency Medicine at the Alpert Medical School of Brown University and an attending emergency medicine physician at the Miriam Hospital in Providence, Rhode Island.

    He received his medical degree from Weill Cornell Medical College (Cornell University) and completed his Emergency Medicine Residency at New York University/Bellevue Hospital Center.

  • Rebecca Osgood, MD - Chief of Pathology

    Rebecca Osgood, MD

    Rebecca Osgood, MD, is Chief of Pathology at CHA. She has been part of CHA for 27 years and has contributed greatly to the Department's work including initiating the project of electronic reporting of reportable infectious diseases to the MADPH from Microbiology Laboratory and bringing molecular infectious disease testing to CHA providers. Dr. Osgood has provided outstanding oversight of the Somerville Campus laboratory services, the Microbiology section of CHA laboratories, and has served as Medical Director of the Spaulding Hospital Cambridge Clinical Laboratories. She is also currently the Medical Director of MIT Health Services Clinical Laboratory. Dr. Osgood is an Instructor in Pathology at Harvard Medical School. She is a Clinical Associate in Pathology at Massachusetts General Hospital. Prior to joining CHA, Dr. Osgood was the Medical Director of Microbiology at Beth Israel Hospital.

    Dr. Osgood serves on the Executive Board of the Massachusetts Society of Pathologists and is a representative of the House of Delegates for the College of American Pathologists. Dr. Osgood is part of the Global Pathology group at the Massachusetts General Hospital. She is a member of the College of American Pathologists, Massachusetts Society of Pathologists, the American Society of Clinical Pathologists, and the American Society of Cytology. Dr. Osgood interests are infectious disease pathology and cytopathology. Dr. Osgood is dedicated to providing excellent pathology and laboratory services to providers and the patients of the CHA community.

    Outside CHA, Dr. Osgood is the mother of four children and married to an orthopedic surgeon, Dr. Thomas Hoerner. She has participated in many community projects. She has volunteered her services as a pathologist along with her husband with Health Volunteers Overseas, a nonprofit organization that is dedicated to improving the availability and quality of health care through training and education. With this organization, she has worked in Cambodia, Tanzania, and Costa Rica.

    Dr. Osgood is a graduate of the Weil Cornell Medical College and completed her pathology residency training at MGH. She received her bachelor’s from Smith College and graduated Magna Cum Laude and Phi Beta Kappa.

  • Richard Pels, MD - Chief of Medicine

    Richard Pels, MDRichard Pels, MD, was appointed to the position of Chief of Medicine at CHA in 2017. Dr. Pels has been with CHA since 1983, serving in numerous leadership roles including associate chief of medicine, president of the medical staff, director of the Internal Medicine Residency program, director of graduate medical education and most recently, interim Chief of Medicine.

    Dr. Pels graduated summa cum laude from Duke University and received his medical doctorate from the University of Florida. He completed primary care internal medicine residency training at CHA and fellowship training in general medicine and medical education at Harvard Medical School. His special interest areas are refugee health, chronic pain and medical education. Dr. Pels is the recipient of many prizes and awards including the A. Clifford Barger Excellence in Mentoring Award at HMS, CHA’s Medical Staff Lifetime Achievement Award and the Parker J. Palmer Courage to Teach Award from the Accreditation Council for Graduate Medical Education.

  • Susie Posner-Jones, MHA - Chief Development Officer

    Susie Posner-JonesSusie came to CHA in 2022 from the University of Vermont Health Network, where she served as the network director of philanthropy and population health. She began there as a major gift officer and was promoted to senior development officer and then director of development before entering her latest role in 2019. Susie planned, built, and implemented a central team and a data and metrics reporting process while managing a 16-person team across Vermont and New York with an annual fundraising goal of $14M (as part of a $35M Academic Health Sciences goal). Prior to this role, she was the community impact director at the United Way of NW Vermont.

    As chief development officer, Susie is a member of CHA's senior leadership team and works closely with CEO Assaad Sayah, MD, other senior leaders, the CHA Foundation Board, and clinical leadership to meet development goals. She provides leadership for a growing development department and works on fundraising strategies to support CHA's plan to improve population health, aid facilities development, and expand its academic and clinical programs.

    Susie earned a bachelor's degree in psychology from Northern Vermont University and a master's degree in healthcare administration with a focus on population health management from Champlain College. She holds certifications in healthcare management and facilitative leadership and has two decades of experience addressing social determinants of health for the communities she has served.

  • Tara Singh, MD - Chief of Obstetrics/Gynecology and Women's Health

    Tara Singh, MD, is CHA's chief of obstetrics and gynecology. Dr. Singh joined CHA's OB/GYN department in 2009 and has since played a key role in medical education, serving as associate director of the Harvard Medical School-Cambridge Integrated Clerkship as well as the site director for OB/GYN, co-founder and director of the longitudinal PA program, and rotation director for both Harvard and Tufts OB/GYN residents.

    In 2018, Dr. Singh began a novel physician assistant training program—the first known model of longitudinal integrated PA training—and has expanded this program to include interprofessional learning for PA and medical students.

    Dr. Singh received her MD from Dalhousie University and is currently completing a master's degree in health care delivery science at Dartmouth College.

  • Gerald Steinberg, MD - Senior Vice President, Network Development

    Jerry SteinbergGerald Steinberg, MD, is Senior Vice President of Network Development, working to develop new partnerships that benefit CHA's patients and communities. Dr. Steinberg previously served as CHA's Chief Medical Officer and Chief Medical Quality Officer. Before coming to CHA in 2005, he was Senior Vice President and Chief Quality Officer of UMass Memorial Health Care. He also served as interim Chairman of the Department of Orthopedics at the University of Massachusetts Medical School, where he was the school's Feigenbaum Distinguished Professor of Quality, and as Chief Medical Officer of UMass Memorial Health Care.

    Dr. Steinberg is an AOA graduate of the Albert Einstein College of Medicine and received his bachelor’s, cum laude, from Rutgers University where he was a Henry Rutgers Scholar. He received his orthopedic training in the Harvard Combined Orthopedic Program after completing a Research Fellowship at Harvard.

  • Laura Sullivan, MD - Chief of Family Medicine

    Laura Sullivan, MD Laura Sullivan, MD, was named CHA’s chief of family medicine in 2017. Dr. Sullivan joined CHA in 2006 as the medical director of the East Somerville Health Center. She then became the medical director at the Malden Family Medicine Center in 2008 and later served as interim chief of family medicine. Dr. Sullivan was a staff physician at both sites and has held many leadership positions including president and secretary/treasurer of the CHA medical staff. She has played a key role in CHA’s transition to an accountable care organization and the implementation of the patient-centered-medical-home model of care.

    As chief of family medicine, Dr. Sullivan is responsible for helping the department grow, improving its systems and access and supporting the training for the next generation of physicians as part of the Tufts University Family Medicine Residency program in Malden.

    Dr. Sullivan is an assistant clinical professor at Tufts University School of Medicine. She received her medical doctorate from Chicago Medical School and completed the University of Massachusetts Worcester Family Medicine Residency. Prior to joining CHA, Dr. Sullivan worked with various vulnerable populations as a locum tenens physician, in rural Washington state, the Massachusetts state prison system and Plumley Village Health Services, part of UMass Memorial Health Care.

  • Caleb Tam, DDS - Chief of Dental Medicine

    Caleb Tam, DDS, was named chief of dental services in January 2023 after spending three years as an attending faculty member and practicing dentist at CHA and the Harvard School of Dental Medicine (HSDM).

    He serves as a lecturer on oral health policy and epidemiology as well as the interim director of the general practice residency program at HSDM. His primary academic/research interests include dental biomaterials, dental regenerative therapies, and the “Oral Physician” training model. In addition to mentoring future generations of dental professionals, he is deeply involved in outreach and education to improve oral health in our communities. Dr. Tam graduated from dental school at the University of California, San Francisco before completing his general practice residency through the Harvard School of Dental Medicine (HSDM) and CHA.

  • Hans P. Van Lancker, MD - Chief of Orthopedics

    Dr. Hans van Lancker Hans P. Van Lancker, MD, FRCSC, FAAOS, an accomplished surgeon, leader, teacher, and researcher with extensive experience in complex high-acuity orthopaedic trauma, revision and reconstructive surgery, joined CHA in October 2022.

    Dr. Van Lancker comes from St. Elizabeth’s Medical Center in Boston where he served as the vice chair of orthopaedic surgery, vice president of trauma services, and the chief of orthopaedic trauma. He oversaw the evaluation and management of all fractures and orthopaedic trauma across Massachusetts while developing St. Elizabeth’s as a tertiary orthopedic trauma referral center for both the Steward network and its neighboring communities. He recruited a number of providers across the region, considerably expanding the capacity of orthopedic care within the Steward Network. He established protocolized care for hip fractures across the department in addition to a 24/7 med/surg co-management service, leading to St. Elizabeth’s becoming the only Healthgrades 5-star hip fracture hospital in eastern Massachusetts.

    A graduate of the Alpert Medical School of Brown University, Dr. Van Lancker performed his residency training at the McGill University Health Centre in Montreal and then completed the Harvard Orthopaedic Trauma fellowship at Massachusetts General Hospital and Brigham and Women’s Hospital. He has received several awards for patient experience and outcomes, including being repeatedly recognized among Boston’s Top Doctors. He has authored multiple book chapters and research articles and frequently gives national and international presentations. He is also an instructor in orthopaedic surgery at Harvard Medical School and active in medical student, resident, and fellow education and research. He is board certified by both the American Board of Orthopaedic Surgery and Royal College of Surgeons of Canada.

  • Siva Vithiananthan, MD - Chief of Surgery

    Siva Vithiananthan, MD,Siva Vithiananthan, MD, FACS, FASMBS, FICS, joined CHA as chief of surgery in 2021. Prior to CHA, Dr. Vithiananthan led a clinical practice in minimally invasive and robotic approaches to gastrointestinal diseases, complex hernias and bariatric (weight loss and metabolic) surgery at Brown Physicians Inc. and Brown Surgical Associates in Providence, R.I., and was the chief of bariatric and minimally invasive surgery at The Miriam Hospital and medical director of the Center for Bariatric Surgery at The Miriam and Rhode Island Hospitals. Dr. Vithiananthan was also a professor of surgery, clinician educator at the Warren Alpert Medical School of Brown University and the site-director of the Brown Surgical Residency and Medical Student Programs at The Miriam Hospital. His main research focus is on social determinants of healthcare and the metabolic and physiological effects of weight loss surgery.

    Having served in leadership capacities in many national and international surgical societies, Dr. Vithiananthan has been invited around the world to offer his expertise in training surgeons. He was nominated by the International College of Surgery to serve as the inaugural surgical ambassador in minimally invasive surgery to Nanjing Medical University in Nanjing, China. He has trained hundreds of surgeons in China, Sri Lanka, and Hungary in the techniques of minimally invasive surgery over the last decade.

    Dr. Vithiananthan is board certified in general surgery and surgical critical care and fellowship trained in advanced laparoscopic surgery and surgical critical care. He received his medical degree from Columbia University College of Physicians and Surgeons in New York. He completed his residency at Baystate Medical Center in Springfield, Mass., and fellowships at New York Presbyterian Hospital and the University of Connecticut School of Medicine/Hartford Hospital.

  • Lanie Ward, MBA, BSN, RN - Chief Nursing Officer

    Lanie Ward

    Lanie Ward, MBA, BSN, RN, was appointed chief nursing officer at CHA in October 2020 after serving as interim chief nursing officer. Lanie, who has more than 30 years of experience in healthcare administration, has served in senior nursing roles in organizations across the country.

    Prior to joining CHA, Lanie was the system senior vice president of patient care services/CNO at Summa Health System in Ohio. Summa serves more than one million patients in Ohio through comprehensive acute, critical, emergency, outpatient and long-term/home-care settings and has more than 1,300 licensed beds. At Summa, she brought nursing together system-wide to standardize care, practice and shared governance. Additionally, under her leadership, Summa Akron City & St Thomas Hospitals achieved Magnet designation and redesignation.

    Before her time at Summa, Lanie was the chief nursing officer at Broward Health Medical Center in Florida. Broward is a nonprofit community health system that encompasses more than 30 healthcare facilities with four hospitals. At Broward Health, Lanie played a key role in the design and execution of a $165 million hospital expansion.

    She received her master’s degree in business administration from Florida Atlantic University and her bachelor’s degree in nursing from the University of Kentucky.

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