CENTENNIAL, Colo.–(BUSINESS WIRE)–DHI Group, Inc. (NYSE: DHX) announced today that its ecosystem for cleared professionals, ClearanceJobs, has welcomed former DCSA Director David Cattler to its Policy Advisory Board. With 35 years of federal service, Cattler’s career spanned the Navy, Intelligence Community, and NATO before culminating as Director of DCSA. His leadership was transformative for the agency—where he spearheaded the charge to modernize the National Background Investigation Servic