Executive Team Biographies

Paul R. Grenaldo

Paul R. Grenaldo
Mr. Grenaldo has served as the executive vice president and chief operating officer at Doctors Community Health System (DCHS) since 2010. In 2019, he became its president. With more than 35 years of leadership experience in the healthcare industry, his areas of concentration have included system operations, business development, strategic planning, population health, stakeholder relations, talent development and marketing.

Prior to joining DCHS, he served at Providence Hospital in various senior roles: director of ambulatory services, assistant vice president of medical affairs, vice president of marketing and business development, and executive vice president and chief operating officer.

Paul is a board member of the Catholic Charities of Prince George’s County’s Task Force and a co-chair of the Prince George’s Healthcare Action Coalition. Also, he was honored in 2018 with both a Service and Volunteerism Award from Maryland’s governor and a Proclamation of Service from the Prince George’s County Council.  In January 2020, he received the Chief of Police Special Award for his outstanding service to the citizens of the District of Columbia and contributions to the Metropolitan Police Department.

He earned his bachelor’s degree in business administration from Indiana University of Pennsylvania. At the University of Miami Florida, he earned a master’s degree in business administration and certification in healthcare administration followed with the completion of his administrative residency at Providence Hospital.

Paul and his wife reside in Washington, D.C., and they have three children.

Sunil Madan

Sunil Madan, MD, CPE, FACEP
Chief Medical Officer 
Dr. Madan is responsible for guiding medical staff relations, quality of care processes and population health initiatives at Doctors Community Hospital.

He received his bachelor’s degrees in biology and chemistry as well as his medical doctorate at the University of Missouri. Afterwards, he completed his residency in emergency medicine at Emory University in Georgia – serving as its chief resident. In addition to having earned a certificate in medical management from Johns Hopkins University, he is board certified in emergency medicine and a certified physician executive. He also is a teaching faculty and assistant professor in the emergency medicine residency programs at both Georgetown University and MedStar Washington Hospital Center (MWHC).

Prior to assuming his role at Doctors Community Hospital, Dr. Madan served for six years as the medical director and five years as the associate medical director in MWHC’s Emergency Department.

He lives in Mclean, Virginia, with his wife and three children.

Patricia Christensen, PhD, MS

Patricia Christensen, DNP, MSN, RN, NEA-BC
Chief Nursing Officer and Vice President of Patient Care Services
Dr. Christensen is responsible for nursing and patient care services at Doctors Community Hospital.

She has a Doctor of Nursing Practice degree (University of Maryland), a Master’s of Science in nursing administration degree (Vanderbilt University) and a Bachelor’s of Science in nursing degree (University of Alberta). She is also a board-certified advanced nurse executive with memberships in the American Organization of Nurse Executives, American College of Healthcare Executives and Sigma Theta Tau’s international nursing honor society.

Prior to joining Doctors Community Hospital, Dr. Christensen served as the chief nursing officer at Inova Mount Vernon Hospital in Virginia. Additionally, she has held the position of vice president of patient care services and chief nursing officer at the University of Maryland Upper Chesapeake Health and MedStar Southern Maryland Hospital. Dr. Christensen lives in Annapolis, Maryland.

Angela Wilson

Angela Wilson, MBA, ABC
Vice President, Administrative and Support Services

Mrs. Wilson leads administrative and support services at Doctors Community Health System (DCHS), which includes plant operations, environmental services, patient and guest services, and security. Having joined DCHS in 2012, she previously served as its vice president of public relations and marketing.

Prior to joining DCHS, she held multiple progressive roles within the MedStar Health system.  She served as the director of marketing at MedStar Georgetown University Hospital.  At MedStar Washington Hospital Center, some of her roles were marketing specialist, senior marketing specialist and marketing manager. During her career, Mrs. Wilson and other team members won more than 100 marketing and communications awards. 

In addition to earning a bachelor’s degree in English from the University of the District of Columbia and a master’s degree in business administration from the University of Maryland University College, she is an accredited business communicator as designated by the International Association of Business Communicators. 

A native Washingtonian, Mrs. Wilson and her family reside in Bowie, Maryland.

Robyn M. Webb-Williams

Robyn M. Webb-Williams
Vice President, Doctors Community Hospital Foundation
Ms. Webb-Williams is responsible for raising funds for Doctors Community Hospital programs and services.

She has served as a senior member of national non-profits – raising funds for healthcare, housing and civil rights issues. A native New Yorker, Ms. Webb-Williams received her bachelor of science degree and masters degree in elementary education from Wagner College in New York. She also received a paralegal certification from Long Island University in New York.

Ms. Webb-Williams is a member of the Association for Fundraising Professionals and serves on the board of directors for the YWCA of the National Capital Area in Washington, D.C.