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Partner with us

Program Proposal Requests & Partnerships

Email Katy Waters at [email protected] to discuss a custom proposal for your project

General Inquiries

Send email to [email protected]

Send us mail to:

1110 Vermont Ave NW #300

Washington, DC 20005

Billing Questions

Please send your inquiry to [email protected]

Current & Former Employee Resources

HR Inquiries

To speak with COG's Associate Director of Human Resources, please call (202) 470-2011.

To file an anonymous complaint, please contact our Whistleblower hotline at (213) 787-4149 or email [email protected]

Employment Verification

Please contact The Work Number at (800) 367-5690.

W-2 Questions

Please send an email to [email protected] with your name & the office you worked in.