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Zachary Parker
President & CEO
Zachary Parker
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Maliek Ferebee
Chief Human Resources Officer
Sandra Halverson
VP, Chief Scientist
Helene Fisher
President, Mission Services & Solutions
Jeanine Christian
President, Public Health & Scientific Research
David Affeldt
President, GRSi Operating Unit
Kevin Wilson
Corporate Executive, Strategic Advisor
Michael Speaks
PM Lead
Cleveland Cooke
VP Information Technology
Mary Dowdall
President
