Senior Leadership Team | Steward Health Care

Senior Leadership Team

Senior Leadership Members:

Ralph de la Torre, MD
Chairman and Chief Executive Officer

Dr. Ralph de la Torre is the Founder, Chairman and CEO of Steward Health Care Systems LLC.  Steward is an innovative health care provider which combines over 3,000 physicians, 11 acute care hospitals, managed care, insurance programs, home care, an imaging operation, and a number of other post acute services, to provide the most cost effective and highest quality of integrated patient care. Founded in Q1 2011, Steward has grown to $2.4 billion in net patient service revenues (non-premium), is the third largest employer in Massachusetts, and is New England’s largest community care company. Today, Steward is widely recognized as a national leader in implementing a new, integrated model of health care delivery.

Prior to Steward, Dr. de la Torre was the CEO of Caritas Christi Health Care, where he led the dramatic transformation of a six hospital system, restoring it to profitability while simultaneously improving the quality of patient care.

Before joining Caritas Christi, Dr. de la Torre was the founder and CEO of the Cardiovascular Institute at Beth Israel Deaconess Medical Center (BIDMC), one of the nation’s first totally integrated systems for treating cardiac patients. At the same time, Dr. de la Torre was the Chief of Cardiac Surgery at BIDMC, as well as for the Harvard Medical Faculty Physicians at BIDMC, where he was widely recognized as one of the top cardiac surgeons in his field.

Prior to his career as a cardiac surgeon Dr. de la Torre founded or cofounded several biotech businesses. He has numerous patents that have been issued or are pending. A frequent commentator on national health care policy issues, Dr. de la Torre has bylined and been featured in major media outlets including the Wall Street Journal, BusinessWeek, Fortune, Forbes and CNBC.

Dr. de la Torre also has been recognized as one of the 100 most influential people in health care and one of the top 50 physician leaders by Modern Healthcare, one of the 25 most influential minority executives, one of the 50 most powerful people in Boston by Boston Magazine and a member of the Power 50 by the Boston Business Journal.

Notable Board assignments for Dr. de la Torre include Member, Board of Trustees of Boston College, Member, Board of Directors and Executive Committee of Boston Ballet, Board of Directors of the Federation of American Hospitals and the United States Chamber of Commerce Board of Directors.

Dr. de la Torre received his undergraduate degree from Duke University (B.S.E) where he was a member of Phi Beta Kappa and Tau Beta Pi, and graduate degrees from Harvard Medical School (M.D.) and the Massachusetts Institute of Technology (M.S.).


Brian Carty
Chief Marketing Officer

Brian Carty is Chief Marketing Officer of Steward Health Care System. Mr. Carty is nationally recognized as a preeminent authority on marketing in service companies. He has served as president of three advertising agencies, including Hill Holliday in Boston. There he and his team doubled the size of the company in 18 months and acquired new clients, including Verizon Wireless, Fidelity Investments, Dunkin' Donuts and Harvard Pilgrim Health Care. After leaving Hill Holliday, Mr. Carty became the CEO of one of the hottest marketing service companies in the Internet boom, Wheelhouse Corporation. He also spent time in the health care industry. Under Governor Michael Dukakis, Mr. Carty was the CEO of MIFA, the state's investment bank, where, among other things, he issued more than $1 billion in health care bonds for Massachusetts hospitals. Additionally, Mr. Carty, an honors graduate of Harvard College, was the global-partner-in-charge of marketing at Coopers & Lybrand, one of the world's largest private companies.


Joseph Maher, Jr., Esq.
General Counsel


Joseph Maher Jr., is General Counsel of Steward Health Care System. Attorney Maher is one of the top health care lawyers in New England and has vast experience in governmental affairs. As a partner at Edwards Angell Palmer & Dodge, he served as the partner-in-charge of the firm's Boston office and chaired the firm's health care practice. In addition, Attorney Maher chaired the governmental affairs practice at both Foley, Hoag and EAPD, respectively. He has also served as an executive vice president and chief legal officer of a major regional health care group-purchasing company doing business in New England and the Middle East. Attorney Maher has been involved in many of the region's largest hospital merger transactions and has been active in the creation of many hospital-physician ventures. As vice-chairman of the University Hospital board of trustees, Attorney Maher was instrumental in creating Boston Medical Center. He also was instrumental, as a board member, in merging Brigham and Women's Hospital and Faulkner Hospital. Attorney Maher is an honors graduate from Boston College and received his law degree from Boston College Law School.


Mark Rich
Chief Financial Officer

Mark Rich serves as the Chief Financial Officer for Steward Health Care System. Previously, he was Executive Vice President for Corporate Strategy where he led Steward’s acquisition program resulting in the doubling of the System’s size in its first 18 months. Prior to that, Mark was the Chief Financial Officer of Caritas Christi Health Care. During his tenure as CFO, Caritas Christi saw a $50 million turnaround in earnings, a significant improvement in cash flow, an increase in working capital and substantial increases in managed care rates. Mr. Rich previously served as partner and director in the Health Care Consulting Division at Feeley & Driscoll, P.C. Mr. Rich graduated from the State University of New York, Binghamton.


Joseph Weinstein, MD
Chief Medical Officer

Dr. Weinstein is Chief Medical Officer of Steward Health Care System. Dr. Joseph Weinstein was raised in Katonah, New York where he attended John Jay High School. Dr. Weinstein was educated at Boston University College of Liberal Arts and Boston University School of Medicine in a combined 6 year medical education program. He received both his BA and MD degrees summa cum laude in May of 1982. Dr. Weinstein performed his residency in Internal Medicine at Boston City Hospital and then was a fellow in cardiovascular diseases at the Boston University Cardiovascular fellowship program. Dr. Weinstein is Board Certified in Internal Medicine and in Cardiovascular Disease. He is a Fellow of the American College of Physicians and the American College of Cardiology.

Dr. Weinstein has been active in the Greater Brockton community practicing Internal Medicine and Cardiology since 1987. He has worked in the Easton location of the Steward Medical Group offices. Dr. Weinstein has been the Chairman of Internal Medicine at the Steward Good Samaritan Medical Center since 2013 and has also served as the Vice president of Medical Affairs at Good Samaritan Medical Center. He most recently was the Vice president of Medical Affairs at Carney Hospital in 2015 and 2016. He has also served as the Patient Care Assessment Coordinator at both Carney Hospital and at Good Samaritan Medical Center. He has served on the Medical Executive Committee, the Patient Care Assessment Committee, the Credentials Committee and the Utilization Review Committee during his time at Good Samaritan Medical Center and at Carney Hospital.

Dr. Weinstein has been at the forefront in providing high quality cardiovascular care to the patients of Southeastern Massachusetts. He has lectured extensively on cardiology topics, including the management of hypertension, hyperlipidemia, congestive heart failure and the treatment of patients with acute myocardial infarctions. He resides in Westwood, Massachusetts with his wife Christine.


Mark Girard, MD, MBA
President, Steward Health Care Network

Dr. Mark Girard is President of Steward Health Care Network and a national leader in disease management, population health, accountable care, clinical integration and alternative payment models.

An architect of Steward’s ACO and community care model, he previously served as President of Steward Hospitals. Prior to being named President of Steward Health Care Network, Dr. Girard served as Vice President of Specialty Care and Vice President of Network Imaging Services for Caritas Christi Health Care Network. He is an interventional radiologist and was formerly President and CEO of Commonwealth Radiology Associates, and the Medical-Staff President at North Shore Medical Center. Dr. Girard is a graduate of Harvard Medical School and Bowdoin College with a B.A. in physical chemistry. He also holds an M.B.A. from Salem State College Graduate School of Business.


John Polanowicz, MBA
Executive Vice President of the Hospital Services Group

John Polanowicz is the Executive Vice President of the Hospital Services Group. Mr. Polanowicz previously served as the Secretary of the Massachusetts Executive Office of Health and Human Services from 2013 to 2015 and the President of Steward St. Elizabeth’s Medical Center from 2011 to 2013. He attended the United State Military Academy at West Point and served in the United States Army where he served in a Blackhawk Assault Helicopter Company during overseas military operations. After his military service, he earned a MBA from Stanford.


Michael G. Callum, MD
Executive Vice President of the Physician Services Group


Dr. Michael Callum is Executive Vice President of Physician Services Group, a network of physicians employed by Steward that includes both specialists and primary care physicians. Under Dr. Callum’s leadership Steward Medical Group has emerged as a national leader in clinical integration, quality performance and patient outcomes based reimbursement. In 2013, Dr. Callum also served as interim President of Steward’s St. Elizabeth’s Hospital and Steward Norwood Hospital, Inc.. In this role he recruited a number of prominent physicians, improved quality and oversaw operational success.  Dr. Callum is the former President of Urology Consultants of the North Shore and was Associate Chief of Urology at North Shore Medical Center. He remains an active member of Steward’s Urology Specialty practice and has authored several studies focused on urologic health and screening. Dr. Callum is a graduate of the Boston University School of Medicine, where he received his MA in medical science and his MD. He also holds an MS in public health from the University of Rochester School of Medicine and Dentistry. Dr. Callum is a Fellow of the American College of Surgeons (FACS), a Diplomat of the American Board of Urology and has received numerous awards.


Sanjay Shetty, MD, MBA
President, Steward Medical Group



Dr. Sanjay Shetty is President, Steward Medical Group. Prior to this role, Dr. Shetty served as the President of Steward Health Care Network, the second largest physician network in Massachusetts. Dr. Shetty served as the Vice President of Radiology at Steward Health Care System, Vice President of Radiology and Pathology at Steward Medical Group, and Chairman of Radiology at Saint Elizabeth’s Medical Center in Boston. He was recognized as one of “Boston’s 40 Under 40” by the Boston Business Journal in 2012 and as a “Rising Star” by Becker’s Hospital Review in 2013. He is a practicing radiologist and an Associate Clinical Professor of Radiology at Tufts University School of Medicine. Dr. Shetty is a graduate of Harvard College (AB summa cum laude), Harvard Medical School (M.D.), and the Wharton School at the University of Pennsylvania (MBA).



George Clairmont, Jr., MD
Chief Clinical Integration Officer

Prior to joining Steward, Dr. Clairmont founded and served as president of Compass Medical, P.C., a fully integrated health care community in the south shore region of Massachusetts, for nearly 20 years. He was also a practicing internist in Abington, Massachusetts until joining Steward in 2014. Dr. Clairmont is a graduate of University of New Hampshire and Tufts University School of Medicine.


David Morales
Executive Vice President and Chief Strategy Officer

David Morales is the Executive Vice President and Chief Strategy Officer at Steward Health Care System. Mr. Morales previously served as Commissioner of the Massachusetts Division of Health Care Finance and Policy, the state’s Medicaid rate-setting and health care policy office. As Commissioner, he led efforts to increase transparency of provider prices and expanded access to health care coverage. He also presided over the implementation of the All Payer Claims Database and the first Health Care Cost Trends market analyses and public hearings in Massachusetts. David Morales graduated from Bowdoin College, where he also serves as a member of the Bowdoin College Board of Trustees.


Julie Berry
Chief Information Officer

Julie Berry is Chief Information Officer of Steward Health Care System. Ms. Berry has over 20 years of experience in delivering technology solutions to support business strategy in the health care industry. Most previously she served as Vice President and Chief Technology Officer of the Steward system and prior to that she was on the IT executive team at Partners Health Care System and IT Vice President at Blue Cross Blue Shield of Massachusetts. Ms. Berry received a B.S. from Suffolk University and has served as a member and advisor on several boards including Massachusetts Health Data Consortium Technical Advisory Board.


Chief Compliance Officer

Karen Murray is the Chief Compliance Officer of Steward Health Care System. Previously, she served as the Chief Compliance Officer for the Yale New Haven Health System. Ms. Murray has over 15 years of experience implementing and managing effective compliance and privacy programs. She obtained her MBA with a graduate certificate in finance from Southern New Hampshire University and is certified in health care compliance, privacy and research compliance. Ms. Murray is also a Fellow of the American College of Healthcare Executives.

Steward Health Care System Board of Directors

Ralph de la Torre, MD

Dr. Ralph de la Torre is the Chairman and Chief Executive Officer of Steward Health Care System LLC, New England's largest fully integrated community care organization with eleven hospitals, 17,000 employees and other affiliates, including a home health care company, a nursing college and an imaging company. Within two years of becoming CEO of Caritas Christi, Dr. de la Torre dramatically improved the system. During this time, Dr. de la Torre implemented changes in governance, operational structure and strategy, leading to the creation of a fully integrated community care organization with significant participation in risk contracting. Before joining Caritas, Dr. de la Torre was the founder and CEO of the Cardiovascular Institute at Beth Israel Deaconess Medical Center (BIDMC) and of Cardiovascular Management Associates, one of the nation's first totally integrated systems for treating cardiac patients. At the same time Dr. de la Torre was Chief of Cardiac Surgery at BIDMC and a Harvard Medical Faculty Physician at BIDMC. He has founded several health care-related businesses and has numerous issued or pending patents. A frequent commentator on national health care policy issues, Dr. de la Torre has bylined and/or been featured in BusinessWeek, Fortune and CNBC, among others. He was recently voted one of the 25 most powerful physician executives in the United States by Modern Healthcare magazine. Dr. de la Torre graduated from Duke University in 1988 (B.S.E.), where he was a member of Phi Beta Kappa and Tau Beta Pi, and from a joint program between Harvard Medical School (M.D.) and the Massachusetts Institute of Technology (M.S.) in 1992.


W. Brett Ingersoll

W. Brett Ingersoll serves as a Co-Head of Private Equity and is a member of the Investment Committee at Cerberus Capital Management, L.P., a private investment firm with over $24 billion in capital under management. He currently serves as a director of ACE Aviation Holdings, AerCap Holdings NV, IAP Worldwide Services, Talecris Biotherapeutics, EnduraCare Therapy Management, Inc. and EntreCap Financial, LLC. Over the course of his investment career, Mr. Ingersoll has served on the boards of over 25 public and private companies in which he has sponsored investments primarily in North America and Europe. Approximately 10 of those companies have been U.S.-based health care services or product companies, while the remainder have focused their business activities on the transportation, aerospace, specialty finance, consumer products, defense/government services and general industrial sectors. Prior to joining Cerberus in 2002, Mr. Ingersoll was a General Partner at JPMorgan Partners, where he headed the investment firm's Healthcare Services investment practice and served as a member of its Investment Committee. Mr. Ingersoll received his MBA from Harvard Business School and received his B.A. from Brigham Young University.


Lisa Ann Gray, Esq.

Lisa Ann Gray, Esq. is the General Counsel of Cerberus Operations Advisory Company, LLC and a member of its executive team. In this capacity, Attorney Gray is responsible for matters involving the oversight of companies in the private equity portfolio of Cerberus Capital Management, LP., a leading global investment firm. With special expertise in legal resource management and business strategy, Attorney Gray helps transform under performing companies into financially and operationally sound organizations. Attorney Gray has served on numerous non-profit and corporate boards and has particular interest and expertise in the field of health care. Attorney Gray was previously a member of the Ethics Committee of United Hospital (now part of Allina Medical Systems). She also served as Vice Chair of the Amherst H. Wilder Foundation Home Care Advisory Board, a private, non-profit health and human services organization dedicated to promoting the social welfare of the most vulnerable residents in the greater St. Paul area. She holds a B.A. in sociology and education from Hamline University and graduated with honors from William Mitchell College of Law. She has also completed graduate coursework in special education at St. Thomas University.


James J. Karam

James J. Karam is President and founder of First Bristol Corporation, a developer of retail shopping centers, office buildings and hotels throughout southern New England. As a general partner and co-developer of several major award winning residential developments, he has been recognized for his contribution to three Massachusetts award-winning historic rehabilitation projects, and in 2007 one of his hotel developments was selected as the "Outstanding Hotel Conversion" in the United States by Hilton Hotels. Mr. Karam is also the co-owner of WSAR and WHTB, radio stations serving the South Coast region of Massachusetts. He has devoted significant time to civic and charitable organizations by acting as the Chairman of the Board of Governors of Caritas Christi until its sale, and is the Chairman of the Board of Trustees for the University of Massachusetts, Co-Chairman of the Southcoast CEO Group, and Southcoast Economic Development partnership. Mr. Karam is an alumnus of the University of Massachusetts at Dartmouth.


Ruben King-Shaw, Jr.

Ruben King-Shaw, Jr., is Chairman and Chief Executive Officer of Mansa Equity Partners, Inc. The firm specializes in growth companies in the health care services and health care technology sectors as they prepare for expansion, acquisition, privatization or IPO. Mr. King-Shaw served as Deputy Administrator and Chief Operating Officer of the Centers for Medicare and Medicaid Services from 2001 to 2003. He was also Senior Advisor to the Secretary of the Treasury, where he led the Administration's Health Coverage Tax Credit policies to finance coverage for the uninsured. Prior to joining the George W. Bush Administration, Mr. King-Shaw was the Secretary for the Florida Agency for Health Care Administration. Mr. King-Shaw has served on the University of Massachusetts Board of Trustees since September 2005 and currently serves as Vice Chairman of the Board. In addition, Mr. King-Shaw is a member of the Cornell University Council and Cornell's School of Industrial and Labor Relations Advisory Council. Mr. King-Shaw was awarded his B.S. from Cornell University's School of Industrial and Labor Relations. He earned his Master of International Business at the Center for International Studies in Madrid, Spain, and the Chapman Graduate School of Business in Miami, Florida.


James T. Lenehan

James T. Lenehan is a Senior Operations advisor to Cerberus Capital Management, LP. Prior to Cerberus, he was Vice Chairman and President of Johnson & Johnson. Mr. Lenehan held various executive positions at Johnson & Johnson during his 28-year tenure, including President of McNeil Consumer Products Company and Worldwide Chairman, Consumer Pharmaceuticals & Professional Group. Mr. Lenehan served on the Foundation Board of Abington Hospital in Abington, Pennsylvania. He also was a member of the Quality and Safety Committee of the hospital from 2004 to 2008. Mr. Lenehan earned his B.A. in economics from the University of Akron and his MBA from Northwestern University.


Chan W. Galbato

Chan Galbato is Chief Executive Officer of Cerberus Operations and Advisory Company, LLC. He serves as Chairman of three Cerberus portfolio companies: Blue Bird Corporation, North American Bus Industries, Inc., and YP Holdings LLC. Prior to joining Cerberus, Mr. Galbato owned and managed CWG Hillside Investments LLC, a consulting business providing operational and strategic turnaround expertise to CEOs of portfolio-based companies. Prior to that, Galbato was President and CEO of the Controls Group of businesses for Invensys and President of Services of the commercial distribution arm of companies for The Home Depot. Mr. Galbato also served previously as President and Chief Executive Officer of Armstrong Floor products and Chief Executive Officer of Choice Parts, a joint-venture start-up. He spent 14 years with General Electric Company, holding several operating and Finance leadership positions as well as holding the role of President and CEO, Coregis in G.E. Capital. Before beginning his business career he played professional baseball with the Montreal Expos in their minor league system. Mr. Galbato holds a master's degree in Business Administration from the University of Chicago and a Bachelor of Arts in Economics from the State University of New York.


Justine Carr, MD

Dr. Justine Carr was formerly the Chief Medical Officer and Senior Vice President of Quality and Safety of Steward Health Care System.  Prior to that, she was the Chief Medical officer of Caritas Christi Health Care.  She is a hematologist and formerly held assistant professor positions in Medicine, Surgery and Pathology at Harvard Medical School.  Dr. Carr received her medical degree at Columbia College of Physicians and Surgeons and trained at New York Presbyterian Hospital, Massachusetts General Hospital and Beth Israel Deaconess Medical Center.  Dr. Carr has broad experience in organizational aspects of health care delivery, including quality and safety, clinical resource management, work flow redesign and health information technology in service of care delivery.  Dr. Carr chairs the National Committee on Vital and Health Statistics, an 18 member public advisory board to the Secretary of Health and Human Services on health data strategy and implementation of HIPAA privacy and administrative simplification. 


Michael Palmer

Michael K. Palmer is a Senior Vice President in the Private Equity Group of Cerberus Capital Management, L.P. He joined Cerberus in 2008. Mr. Palmer focuses primarily on transactions involved in healthcare, media, telecommunications, and consumer products. Mr. Palmer has played an important role in a number of Cerberus investments and currently sits on the boards of Steward Health Care, PaxVax Global, Covis Pharma, and Print Media Holdings. Mr. Palmer received a Bachelor of Science in Economics from Duke University, where he graduated cum laude.