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

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

Sandi Benzer, Esq.
General Counsel

Michael Brozic
Senior Vice President, Finance

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

Stacey Cook, MS, SPHR 
Vice President, Human Resources

Nicholas Hubler
Vice President, Ambulatory Services

Jay Mittal
Senior Vice President, Business Strategy and Operations

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

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

Lisa Snow
Chief of Staff

Samrong So
Vice President, Operations

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