Nathaniel “Nat” Richardson, Jr. 
President and Chief Executive Officer 

Tom-Meka Archinard, MD
Senior Vice President and Chief Medical Officer, DIO

Stacey Cook, MS, SPHR 
Vice President, Human Resources

Sandi Benzer, Esq.
General Counsel

Michael Brozic
Vice President and Chief Financial Officer

Ingrid Connerney, DrPH, RN, FAAN
Vice President and Chief Quality Officer

Nicholas Hubler
Vice President, Ambulatory Services

Joel Sandler, MBA, BSN, RN, FACVP
Senior Vice President and Chief Nursing Officer

Jay Mittal
Senior Vice President, Business Strategy and Development

Bradford Seamon
Vice President, Gov't and Public Affairs for Prince George's County

Samrong So
Vice President, Operations

Lisa Snow
Chief of Staff

Elizabeth Fish
IT Site Executive