Leadership Team

Justine E. DeFronzo, MBA, BSN, RN, President

Justine DeFronzo

Justine DeFronzo is an accomplished health care executive who comes to New England Sinai Hospital with over 20 years of progressive achievement in corporate and community hospital settings. She is a highly visible leader with a passion for innovation and generating positive results in a collaborative professional environment with an emphasis on high-quality patient care and safety.

Before joining the New England Sinai Hospital family, DeFronzo served as chief nursing officer and chief operating officer at Carney Hospital and served as Norwood Hospital’s vice president and chief nursing officer. She came to Norwood Hospital after serving as the associate chief nursing officer at Emerson Hospital in Concord, Massachusetts, where she was responsible for inpatient medical surgical and telemetry services, pediatrics, critical care unit, transitional care unit, behavioral health unit, nurse staffing office, dialysis, and the administrative nursing supervisors. DeFronzo is also experienced in emergency services, having served as director of emergency services at Emerson Hospital and previously in the same role at Heywood Hospital in Gardner, Massachusetts.

DeFronzo spent the early part of her career at Lowell General Hospital, serving in a variety of nursing roles with progressive responsibility, including pediatrics, emergency department, administrative nursing supervisor, and clinical nurse manager – pediatrics and special care nursery. She was instrumental in achieving Magnet designation for the hospital.

DeFronzo received both her Master of Business Administration and Bachelor of Science in Nursing at Rivier University and is a fellow of the MHA Leadership College. In addition, she is a member of the American College of Healthcare Executives. DeFronzo is dedicated to community involvement and volunteerism and has been on the Board of Directors for the Boys & Girls Club of Greater Lowell for several years and served as Chair of the Board of Directors for four years.

Paul Spiegel, MD, Chief Medical Officer

Dr. Paul Spiegel comes to New England Sinai Hospital with over 10 years of hospital leadership and administrative experience. Most recently, he was the System Medical Director for Sound Physicians, with the majority of his time focused at Good Samaritan Medical Center in Brockton, Massachusetts.

In addition to his clinical responsibilities, Dr. Spiegel remains an active clinician. He is board certified in both internal medicine and in nephrology.

Dr. Spiegel earned a Bachelor of Science in applied mathematics-biology from Brown University in Providence, Rhode Island. He received his medical degree from the Brown University School of Medicine. Dr. Spiegel resides west of Boston with his wife and two children.

Gregory Malloy, MD, Director of Physical Medicine and Rehabilitation

NESH Dr. Gregory MalloyDr. Gregory Malloy brings a stellar record of leadership in physical medicine/rehabilitation as well as a specialty in stroke therapy to his role at New England Sinai Hospital. Prior to joining New England Sinai, he was a physiatrist at Spaulding Rehabilitation Hospital where he focused on stoke therapy. 

Dr. Malloy earned his bachelor's degree from Amherst College in Massachusetts and his medical degree from New York Medical College in Valhalla. He completed his medical training in physical medicine and rehabilitation at the University of Washington in Seattle.


Renia Noel, MS, BSN, RN-BC, Chief Nursing Officer/Vice President of Patient Care Services

Renia Noel

Renia Noel, MS, BSN, RN-BC, brings an extensive clinical background that includes 27 years of experience in patient care delivery, health information technology, health operations management, and nursing leadership

At the beginning of her career, Noel worked as a staff registered nurse in various units at Lowell General Hospital. Over the years, she advanced into leadership positions, including Director of Emergency Nursing, at Cambridge Health Alliance and Brigham & Women’s Faulkner Hospital in Boston. Additionally, she held the position of Clinical Content Lead - nurse informatics specialist at Partners Healthcare Systems in Boston and was the director of professional development for Emerson Hospital in Concord, Massachusetts. Before becoming New England Sinai’s chief nursing officer, Noel was vice president of quality and resident care services at Benchmark in Waltham, Massachusetts.

Noel earned a Bachelor of Science degree in nursing and a Master of Science in health informatics and management from the University of Massachusetts Lowell. She is board certified in nursing informatics and has a certification as an infection control officer.

Elaine Noonan, MBA, CPA, Chief Financial Officer

Elaine Noonan

Elaine Noonan, MBA, CPA, has more than 30 years of experience working in finance, specifically in the health care industry.

Before joining the hospital’s leadership team, Noonan was the finance director at New England Sinai’s sister hospital Holy Family Hospital in Methuen, Massachusetts. Over the years, she held various financial positions at Southcoast Health System, Norwood Hospital and Brigham and Women’s Physician Organization. Noonan earned a Bachelor of Science in accounting from Stonehill College in North Easton, Massachusetts and a Master of Business Administration from the University of Albany in New York.

Noonan is a certified public accountant and certified internal auditor and is a member of the American Institute of Certified Public Accountants and the Institute of Internal Auditors.