T-Four Management Team


Chief Executive Officer
John Richmond, TDG Inc.
703-489-6904.
Chief Operating Officer
Edgar Lewin, AGT Inc.
571-242-9209
Chief Technical Officer
Brian Petitt, DTS Inc.
703-628-8693
Chief Strategy Officer
Carlos Del Toro, SBG Technologies
703-407-4436
Chief Business Officer
Ed McDonald, EM Surv
703-357-5624
Chief Financial Officer
Tom Dalton, TDG Inc.
703-623-2702