General Gregg has more than sixty years of professional experience, having held senior level command and staff positions in the military, and several executive positions in industry. He retired from active management in July 1998, but continues an active schedule as a member of several boards. He chairs three of these boards. He also served as the Honorary Colonel of the Quartermaster Regiment, helping to inspire its members through a better understanding of its history and heritage. He is a graduate of Saint Benedict College where he received a Bachelor of Science Degree in Business Administration. He also completed the Executive Program in National Security at the Harvard University, John F. Kennedy School of Government and awarded an Honorary Doctor of Laws Degree from Excelsior College. Some of his major declarations include: the Defense Distinguished Service Medal, the Distinguished Service Medal, the Legion of Merit with two Oak Leaf Clusters, the Joint Service Commendation Medal, the Army Commendation Medal with two Oak Leaf Clusters, and the Meritorious Unit Citation.He is a widower with two daughters.