Information Security Oversight Office (ISOO)

Declaration of Principles Contact List

Central Intelligence Agency:

Name: Mr. George C. Ladner
Telephone: 703-613-0675
Fax: 703-619-0640

Department of Defense:

Inquiries from cleared industrial contractors, military departments and other government agencies relating to access eligibility determinations of all types (collateral, Special Access Programs (SAP), and Sensitive Compartmented Information (SCI)) by any DoD agency or military department should be referred to:

Defense Security Service Customer Service Center
DSS website:

Toll Free Telephone Number: 1-888-282-7682 (6AM through 8PM EST, Monday-Friday)

Department of Energy:

Name: Mr. Mark Pekrul
Telephone: 202-586-4097
Fax: 202-586-3312

Nuclear Regulatory Commission:

Name: Chris Heilig
Telephone: 301-415-7731
Fax: 301-415-0245

A copy of a report to any of the above contacts, and a copy of the agency's response, should be reported to:
Telephone: 202-357-5250

Security clearance applicants from government contractors, licensees, certificate holders, or grantees must go through their Facility Security Officer (FSO). The FSO will contact the appropriate government contact to address the issue. In cases where there are multiple cleared facilities within a single company, the multiple facility organization will establish a single focal point to submit reports to the above government contacts.


Updated December 22, 2015