Potomac Key Group provides management consulting and business advisory services to a wide range of companies globally. Founded and headed by Stuart Mackiernan in 2004, Potomac Key Group has responded to the needs of clients where a timely and flexible approach is required to assist them in finding solutions to difficult problems impacting their business. While most of our engagements have been in an advisory role, Mr. Mackiernan has served as CEO for CompuDyne under contract for Private Equity investors as CEO for a North American subsidiary of Jenoptik AG, Senior Advisor to L-3 Security & Detection Systems (Now Leidos) and North American Representative for GreyScan Pty Ltd.