Our Team

Donna Ginter, Ph.D., C.P.M., CPPO, CPPB, CPCP

Associate Vice President, Supply Chain, 571-553-4276, [email protected]

Vince Johns

Travel Services Administrator, 571-553-4269, [email protected]

Lori Tait

Contracts Analyst, 571-553-4492, [email protected]

Punitha Kelly

Contracts Analyst, 202-994-9914, [email protected]

Greg Durham

Contracts Associate, 571-553-0078, [email protected]

Mimi Lima, MBA, CPPO 

Director, Procurement, 571-553-4215, [email protected]

Joshua Murray

Manager, Contract Services, 571-553-4160, [email protected]

Elena Wittman

Senior Buyer, 571-553-0231, [email protected]

Akwasi Kankam

Senior Buyer, 571-553-0095, [email protected]

Ayesha Waqas

Senior Buyer, 571-553-4272, [email protected]

Rodney Johnson

Procurement Manager, Strategic Sourcing, 571-553-4278, [email protected]

Katherine Steele

Senior Buyer, 571-553-4274, [email protected]

Ivelaw Christie

Buyer, GW Mobile Program, 571-553-4159, [email protected] or [email protected]

Shelley Shearer

Manager Strategic Services, 571-553-4261, [email protected]

Cynthia Brown

Procurement Support Assistant, iBuy Help Desk, 571-553-3656, [email protected]

Daniel Callum 

iSupplyGW Program Specialist, 571-553-4129, [email protected]

Vivian Walston

Finance Coordinator, Expense Reporting, 571-553-4163, [email protected]

Arun Doppalapudi Naga

AP Disbursement Team Lead, 571-553-0210, [email protected]

Rachel Waple

Accounts Payable Assistant, 571-553-4193, [email protected]

Tonnica Ford

Accounts Payable Analyst, 571-553-4127, [email protected]