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Office of Cost Determination (OCD)

List of Addresses and Telephone Numbers
As of April 2018

National Office address and contact information
200 Constitution Avenue, N.W., S-1510
Washington, D.C. 20210
(P) 202-693-4100
(F) 202-693-4099

Director: Victor M. Lopez
E-mail address:
(P) 202-693-4106

Cost Negotiators

E-mail Address

Location/ Region*



James Turkvant


Same as National Office

(P) 202-693-4105
(F) 202-693-4099

Stephen W. Hobday


Same as National Office

(P) 202-693-4110
(F) 202-693-4099

Phat Chau


Same as National Office

(P) 202-693-4103
(F) 202-693-4099

Damon Tomchick


224 Westbridge Place
Mount Airy, NC 27030

(P) 240-475-2786

Ronald Goolsby


230 South Dearborn St.,
Room 1016
Chicago, IL 60604-1505

(P) 312-886-5247
(F) 312-353-0704

*All organizations should submit indirect cost proposals to the above DC address, except for organizations located in the Chicago region, or as noted by the assigned cost negotiator.

The States assigned to the Chicago region are: Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, North Dakota, South Dakota, Nebraska, Ohio, and Wisconsin.