Gregory chairs the Litigation and Construction Law areas of the law firm of Kegler, Brown, Hill & Ritter in Columbus, Ohio, where he regularly represents subcontractors, contractors, architects, owners and others in the construction industry. He currently serves as general counsel to the American Subcontractors Association (“ASA”), and also general counsel to international construction trade associations such as the National Ground Water Association (“NGWA”), the Association of the Wall & Ceiling Industry (“AWCI”) and the Ceiling and Interior Systems Construction Association (“CISCA”). He currently serves on the AAA “Blue Ribbon Panel” of arbitrators for complex construction disputes.