Atrius Health
Atrius Health - About Us - Leadership Team
Doctor and Patient

Atrius Health Executive Leadership Team

Steven Strongwater, MD
President and CEO



Dr. Steven Strongwater, MD became President and CEO of Atrius Health in August 2015. He is responsible for all aspects of leading this non-profit accountable care organization of 6,800 employees serving 675,000 patients across eastern Massachusetts with coordinated medical care, home health and hospice. The Atrius Health practices include Dedham Medical Associates, Granite Medical Group, Harvard Vanguard Medical Associates, and VNA Care Network Foundation.

From September 2012 to July 2015, Dr. Strongwater served as Geisinger Health System’s Chief Transformation Officer and provided leadership for transformation through implementing new models of care and developing strategies and tactics to improve quality, patient experience and value, while leveraging analytics and simulation models to improve care. More than 90 million dollars of improvement have been identified within two years and novel predictive models introduced. Dr. Strongwater additionally assumed the role of Chief Medical Executive for Transition Integration and was responsible for developing programs and serving as a liaison to newly acquired hospitals and physician practices.

Dr. Strongwater has served in a variety of leadership positions as Assistant Chancellor, Associate Dean for Clinical Affairs, Chief of Staff and Chief Executive Officer, at UMass Medical Center, the University of Connecticut Health Center and Stony Brook University Medical Center, respectively. At Stony Brook, he initiated a program to achieve high reliability, built advanced clinical programs (e.g. interventional stroke, robotic electrophysiology) and oversaw major capital and information technology implementations as well as fund raising initiatives.

Dr. Strongwater has served on several regional and national boards. Currently, he serves on the American Health System Pharmaceuticals Commission on Goals, Healthcare Productivity Expert Advisory Panel for the Singapore Ministry of Health Committee on Health Professions and recently completed a term as the Chair of the American Hospital Association’s Committee on Health Professions as well as an Advisor to the Association of American Medical Colleges for the CMS Bundling Project. He has a long standing interest in quality and patient safety, health policy, organizational governance and population health.

Dr. Strongwater completed his undergraduate medical education at Upstate Medical Center and a research fellowship in rheumatology at the University of Michigan. He is a member of AOA and Phi Beta Kappa honor societies.

Joe Kimura, MD
Chief Medical Officer



Joe Kimura, MD MPH is Chief Medical Officer of Atrius Health and an internist at Harvard Vanguard Medical Associates, a medical practice of Atrius Health.  He has broad experience leading ambulatory care delivery system improvements with specialty expertise in clinical informatics and healthcare data analytics. He is dual board certified in both internal medicine and clinical informatics.

Dr. Kimura has held multiple positions within Atrius Health including Deputy Chief Medical Officer, Medical Director for Analytics and Reporting Systems, and Medical Director for Quality Measurement.  From 2008-2010, he served as a primary care clinician and physician leader in the Complete Care Program for the Orange County Service Area of the Southern California Permanente Medical Group. 

Dr. Kimura’s specialty clinical interests are in the pragmatic applications of clinical informatics in the delivery of care.  He speaks regularly to national audiences on the future of healthcare analytics and the critical role of clinical leadership to drive the development of analytic tools that can help clinicians and patients.  In 2012, Dr. Kimura was named by Modern Healthcare as one of the Top 25 Clinical Informaticists in the United States.  Since 2014, he has served as co-chair the Office of National Coordinator HIT Policy Federal Workgroup on Advanced Health Models and Meaningful Use. 

Dr. Kimura was an undergraduate at Stanford University and received his medical degree from Washington University in St Louis, Missouri. He completed his primary care internal medicine residency at the University of California in San Francisco and his health services research fellowship at the Department of Ambulatory Care and Prevention at Harvard Medical School.  He received a master’s of public health in Health Care Policy and Management from the Harvard School of Public Health.  In 2015, he completed the Advanced Management Program at MIT Sloan School of Management and received a certificate in Management, Innovation, and Technology.

William Boyd, MD
Senior Vice President, North Region

Emily Brower
Vice President, Population Management

Margi Byrnes
Senior Director of Operations

Robert Calway
Senior Vice President, South/West Region

Beth HonanBeth Honan
Chief Contracting Officer

Elyse KaplanElyse Kaplan
Interim Chief Human Resources Officer

Steven LampertSteven Lampert, MD, MBA
Senior Vice President, Urban/River Region

Richard Lopez, MDRichard Lopez, MD
Chief Medical Officer of the VNA Care Network Foundation
Senior Vice President of Population Health for Atrius Health

Daniel Moriarty
Chief Information Officer

Deb Morsi, PhD, RN, NEA-BC
Vice President, Nursing

Kimberly Nelson
Chief Legal Officer

Mary Ann O'ConnorMary Ann O'Connor, RN, BSN, MBA
President and Chief Executive Officer, VNA Care Network Foundation

Michael Querner, MD
Regional Medical Director, West Region

Marci SindellMarci Sindell
Chief Strategy Officer
Senior Vice President, External Affairs

Bud StacyLeland Stacy
Chief Financial Officer

Holly Thomas, MD
Regional Medical Director, South Region

Gerry Velasco
Vice President, Performance Excellence