Senior Leadership Team

Meet Our Senior Leadership

Learn more about Anna Jaques Hospital's senior leadership below.

• Tom Sands, Market President – North Shore and President, Beverly, Addison Gilbert, BayRidge, and Anna Jaques Hospitals
• Greg Beaumier, MBA, CPA, MHA, Vice President of Finance
• Mark Gendreau, MD, Chief Medical Officer
• Megan Gray, DNP, RN, Chief Nursing Officer/Chief Operating Officer
• Joseph Hwang, MHA, Chief Operating Officer
• Kim Perryman, MMHC, RN, NE-BC, Chief Nursing Officer
• Andrew Popelka Jr., MD, MBA, CPE

Tom Sands, Market President – North Shore and President, Beverly, Addison Gilbert,  BayRidge, and Anna Jaques Hospitals

As Market President – North Shore and President of Beverly, Addison Gilbert BayRidge and Anna Jaques Hospitals, Tom Sands is a key part of advancing Beth Israel Lahey Health’s commitment to high-quality, patient-centered care in community settings.

Prior to joining Beth Israel Lahey Health, Tom served as President of Carney Hospital, a 159-bed hospital in Dorchester, where he was responsible for day-to-day operations. Previously, Tom was Chief Operating Officer at Good Samaritan Medical Center in Brockton, where he expanded patient services offerings, increased volume and implemented initiatives to strengthen the patient-family experience.

Tom came to Massachusetts from Georgia, where he spent 20 years in successive leadership roles at The Medical Center of Central Georgia (now Atrium Navicent Health), a 637-bed teaching hospital. There, he oversaw customer service, diagnostic and therapeutic services, hospitality and support services, supply chain, ambulatory care and operations.

With a proven commitment to his communities, Tom has led and served on the boards of many community-based organizations, including the Conservatory Lab Charter School in Boston, the United Way of Central Georgia, the Tubman Museum, and 100 Black Men of Macon-Middle Georgia.

Tom earned master's degrees in business administration and health administration from Georgia State University and his bachelor's degree in biology from Morehouse College. He is board certified in healthcare management as a Fellow of the American College of Healthcare Executives. 

Greg Beaumier, MBA, CPA, MHA, Vice President of Finance

Greg Beaumier, MBA, CPA, MHA, is Vice President of Finance at Beverly, Addison Gilbert, BayRidge and Anna Jaques Hospitals. Greg has more than 17 years of financial leadership in the health care sector.

Prior to joining Beth Israel Lahey Health in 2023, Greg served as Chief Financial Officer at Boston Children’s Hospital’s largest physician practice and department, Children’s Hospital Pediatric Associates.

Greg holds a Master of Healthcare Administration from Boston College, Masters of Business Administration from Northeastern University and a Bachelor's in Business Administration in Accounting from Bryant University. He is also a Certified Public Accountant in the Commonwealth of Massachusetts.

Mark Gendreau, MD, Chief Medical Officer

Dr. Mark Gendreau, Chief Medical Officer, is a seasoned physician executive and board-certified emergency physician with a distinguished track record of leadership spanning over two decades. He is currently Chief Medical Officer for Beverly, Addison Gilbert, BayRidge and Anna Jaques Hospitals, and also serves as Senior Vice President at Beverly, Addison Gilbert and BayRidge Hospitals. All hospitals are within the Beth Israel Lahey Health system.

Mark also oversees a multi-specialty medical group, focusing on talent acquisition, streamlined access and efficiency, and innovative compensation models have played a pivotal role in advancing growth, transparency, and sustainability within the physician enterprise. Mark also manages the Professional Service Agreements and contracts with Independent Groups.

Before assuming his current role, Dr. Gendreau was the Medical Director and Vice Chair at Lahey Medical Center, Emergency Services. During his tenure, he earned a Vizient top quartile ranking across quality, operational, and patient experience benchmarks.

Dr. Gendreau is a Brown Alpert Medical School graduate with a physician executive certification through the American Association for Physician Leadership. Beyond his administrative roles, he maintains an active clinical practice in an academic-based emergency department and possesses international scholarly expertise in infectious diseases and pandemic spread via commercial aviation. He serves on panels for the National Academies of Sciences and provides advisory insights to the U.S. Congress on pandemic spread via commercial aviation.

Megan Gray, DNP, RN, Chief Nursing Officer/Chief Operating Officer

Megan Gray, DNP, RN, is Chief Nursing Officer/Chief Operating Officer at Anna Jaques Hospital. Prior to joining BILH, Megan served in numerous leadership roles at HCA Healthcare. Most recently, Gray served as CNO and interim CEO of Frisbie Memorial Hospital, a 112-bed hospital in Rochester, NH. In this role, Megan was instrumental in helping the team achieve Primary Stroke Center designation, a first for Frisbie Memorial Hospital.

Under Megan’s leadership, Frisbie made significant improvements in patient experience across inpatient, outpatient and ambulatory surgery centers; increased employee engagement scores bringing Frisbie to the top of the 19-hospital Capital Division; rebuilt the cardiology and orthopedic services; improved nurse retention and physician engagement; and delivered consistent performance in quality and safety metrics.

Megan joined HCA Healthcare in January 2015 as a nursing supervisor at Portsmouth Regional Hospital and was soon promoted to director of IMCU, IVCU and CMR and took on the PCNT unit in 2016. In 2017, she transitioned to the role of market director of professional development, and in 2019 was promoted to the neuroscience service line director and interim director of the surgical and medical units. Megan’s core responsibilities were 24/7 day-to-day operational leadership, strategic planning and execution, quality management and patient experience.

Throughout Megan’s years at Portsmouth, she was part of several initiatives and growth projects including: PCNT expansion from six to 21 beds; implementation of the new education model across the NH market; led the neurosciences team to its initial Comprehensive Stroke Center designation by the DNV; launch of tele ID, telestroke and the stroke and brain aneurysm clinic; creation of the neuro-hospitalist program; and the expansion of 12 beds in the intensive care unit and eight beds on the cardiac surgery stepdown unit.

Prior to joining HCA Healthcare, Megan worked at Seacoast-area hospitals from 2004 to 2015 as an intermediate and intensive care unit staff nurse, a cardiac catheterization lab and PACU RN, and nursing supervisor at Anna Jacques Hospital, as well as an assistant clinical & adjunct nursing professor for the University of New Hampshire nursing department.

Megan holds a Bachelor’s in Nursing from Quinnipiac University, a Master’s in Nursing - FNP track, and a Doctorate of Nursing from the University of New Hampshire. Megan received the HCA Innovators Award in 2016, completed the Advanced Leadership Program for ACNOs in 2022, and the HCA Executive Transitions Program in 2023. Megan serves on the academic advisory councils for UNH, Great Bay Community College, and Franklin Pierce University.

Joseph Hwang, MHA, Chief Operating Officer

Joseph (Joe) Hwang, MHA, Chief Operating Officer at Beverly, Addison Gilbert, BayRidge and Anna Jaques Hospitals, is an experienced health care leader with a background in academic medical centers, community hospitals and large health care systems.

Joe came to Beth Israel Lahey Health from Universal Health Services (UHS), a health system with more than 400 hospitals, behavioral services facilities and ambulatory centers across the United States, Puerto Rico and the United Kingdom. Joe has served in various leadership roles within the system.

Previously, Joe was COO at Manatee Memorial Hospital in Florida, a 295-bed facility with more than 1,600 employees serving Manatee and Sarasota counties. Before that, he served as COO of Lakewood Ranch Medical Center, a 120-bed facility that is part of the Manatee Healthcare System. He was also the associate administrator at The George Washington University Hospital, an academic medical center in Washington, DC.

Joe began his career in health care as an EMT before becoming an administrative resident at the University of Pittsburgh Medical Center. He also served as an administrative fellow at the Lehigh Valley Health Network. Joe earned a Master of Health Administration from Pennsylvania State University and a Bachelor of Science in Life Sciences/Biology from New York Institute of Technology. He is a Fellow of the American College of Healthcare Executives and is Lean certified.

Kim Perryman, MMHC, RN, NE-BC, Chief Nursing Officer

Kim Perryman MMHC, RN, NE-BC, Chief Nursing Officer has more than 30 years of experience in the healthcare industry. Kim began her career in medical/surgical nursing, pediatrics and critical care. Her passion for nursing and commitment to patient care quality led her to nursing leadership.

Kim has served as Chief Nursing Officer (CNO) at Beverly and Addison Gilbert Hospitals for more than nine years and expanded her role in 2024 to also serve as CNO at Anna Jaques Hospital. Her leadership philosophy is deeply rooted in servant leadership principles, prioritizing needs of the team and fostering a collaborative practice environment.<

Kim earned her Masters of Management from Cambridge College with a concentration in healthcare management and a Bachelor of Science in Nursing from The University of Massachusetts, Boston. She is a strong advocate for nursing professional development and holds advanced board certification as a nurse executive.

Andrew Popelka Jr., MD, MBA, CPE

Andrew Popelka Jr., MD, MBA, CPE, was born in the Czech Republic and emigrated with his family to Acton, Massachusetts in 1983, where he was raised and attended high school. He enrolled at Boston University in 1995, studying Biochemistry, Molecular Biology, and Psychology in preparation for a career in medicine. He earned his medical degree from the University of Massachusetts Medical School in 2003 and completed his residency in Internal Medicine at UMass in 2006.

Dr. Popelka began his professional career in Hospital Medicine, caring for patients and collaborating with clinical teams in Nashua, New Hampshire. Through these experiences, he developed a passion for healthcare leadership and system-level transformation. This led him to pursue a Master of Business Administration from the Isenberg School of Management at UMass, graduating in 2014, and to earn his Certified Physician Executive (CPE) designation in 2016 through the American Association for Physician Leadership.

Most recently, Dr. Popelka served at Lahey Clinic, where he was a driving force behind key Population Health initiatives focused on advancing Value-Based Care, Health Equity, Patient Mobility, Readmission Reduction, Post-Acute Care Utilization, Clinical Documentation Improvement (CDI), and Hierarchical Condition Category (HCC) accuracy. He also helped lead the development of the BILH Ambulatory Safety Net, a system-wide effort to prevent patients from falling through the cracks by proactively identifying and connecting them with the care they need.

Dr. Popelka leads with a patient-centered mindset, ensuring that quality of care and outcomes remain at the forefront of every decision.