Contact Us

OCIO Main Contact Information

Address: 200 Independence Ave. S.W., Room 336E, Washington, D.C. 20201
Web site:
Phone: 202-690-6162
Email: [email protected]
Media Inquiries: [email protected]

Speaking Requests

To invite OCIO Official's to speak at your event, please complete the online Speaker Request Form.  All requests will be reviewed by the OCIO Immediate Office (IO) before a final determination can be made.  Given the volume of invitations that OCIO receives, we cannot guarantee a response sooner than 4-6 weeks after the invitation is submitted.  Please be sure to provide full, accurate and specific information as the OCIO/IO will base their recommendation on the materials your submit through this process.

Vendor Management Office

The Vendor Management Office (VMO) is interested in learning more about IT services providers and their capabilities.  To register with us, please complete our Vendor Registration Form.  The form includes response fields for detailed descriptions of service offerings and the ability to share links to websites.  The submissions can be made available to HHS buyers for Market Research purposes.  For additional inquiries, or to send additional marketing materials, please contact the VMO at [email protected].

Immediate Staff Positions

Chief Information Officer (CIO)
Karl S. Mathias, Ph.D.
Deputy Chief Information Officer (DCIO) / Strategic Initiatives
Executive Officer (EO)
John Shimabukuro (Acting)
Executive Director, Office of Enterprise Services (OES)
Christos Skeadas
Executive Director, Office of Operations (OPS)
Steven Verber (Acting)
Chief Information Security Officer (CISO), and
Executive Director, Office of Information Security (OIS)
La Monte R. Yarborough (Acting)
Executive Director, Office of Application & Platform Solutions (OAPS)
George J. Chambers, Ph.D.
Chief Data Officer
Nikolaos Ipiotis
Chief Artificial Intelligence Officer
Greg Singleton
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