Purchasing Team Staff Contacts County Purchasing Agent: Michael Bevis, JD, CPPO, CPSM, CPM Assistant Purchasing Agent: Robert Jenkins, CPPB , Krystyna Hepler, CPPB Procurement Staff: Shirley Diamond, CPPO Joshua Makely, CPPB Igor Scherbakov Lucas Alexander Shawn Brooks, ESQ., CPPB Vanessa Moorehead Victor Toala The Purchasing staff may also be contacted at 703-228-3410.