The ClearanceJobs Advisory Council is a group of defense industry and security clearance experts. They’re leaders and experts in their field and are also providing advice and feedback to ClearanceJobs employers and candidates.
Security Clearance Attorney Sean M. Bigley represents clients worldwide in security clearance denials and revocations. He is a former investigator for the U.S. Office of Personnel Management.
Marko Hakamaa served in various military police positions with the United States Army worldwide for 22 years before retiring in 2006 as a Master Sergeant. Afterwards, he transitioned into the civilian workforce as a contractor background investigator for the Office of Personnel Management (OPM) before entering civil service as a Security Specialist in 2009.
William H. Henderson is a retired federal clearance investigator, President of Federal Clearance Assistance Service (FEDCAS), author of Security Clearance Manual and Issue Mitigation Handbook, and a regular contributor to ClearanceJobs.com.
Evan H. Lesser is the Co-Founder and President of ClearanceJobs.com. Before founding ClearanceJobs, Lesser managed technical projects with CACI for the U.S. Navy’s Science and Technology directorate at the Pentagon, and for the Joint Technology Panel on Electronic Warfare. Previously, he worked for Boeing on its Reserve Component Automation System program for the U.S. Army in metro Washington, DC. Lesser has a degree in Philosophy from the University of Georgia in Athens, and lives and works in the Atlanta metropolitan area.
Maria Whitney is a Senior Recruiter at Smartronix. She’s been in the HR industry for 13 years; focused on recruiting for over 11 years. Her experience ranges from private sector Engineering, Banking and Cleared Intelligence, to Cleared IT. Visit her on the Cleared Network.