Gregg Hartley is the Executive Vìce Chair & Chief Operating Officer (served as CEO till January of 2024) of the lobbying firm Husch Blackwell Strategies, a joint venture of Husch Blackwell LLP, Andrew Blunt, and Hartley. HBS is a multi-jurisdiction state legislative lobbying firm with a strong federal advocacy presence. They have state government affairs practices in Missouri, Kansas, Colorado, Maryland, Wisconsin, Arizona, Texas, Oklahoma, and Nebraska..Hartley was the founder of, and a principal, at Cloakroom Advisors LLC, a consultancy dedicated to helping clients fulfill specialized and critical needs in their approach to influencing federal policymaking. Hartley has been repeatedly ranked as one of the “Top Hired Guns,” a list of select lobbyists published by The Hill newspaper. Hartley also served as the Vice Chairman and COO of Cassidy & Associates a renowned appropriations and policy firm for over a decade.Mr. Hartley was the senior staffer and advisor for eighteen years to U.S. House of Representative Roy Blunt (R-MO), the former Republican Whip, and his strategy expertise provides government relations clients with a competitive advantage. As Chief of Staff to the Whip, he was part of the leadership staff who worked with the then Speaker, Majority Leader, Conference Chair, and seven other leadership offices. From the Republican Whip Office, Hartley directed coalition building efforts, working with outside groups in “grow the vote” activities. He has also advised numerous political campaigns.Current or recent federal clients include AT&T, Outdoor Amusement Business Association, Evergy, Republic Services, Cerner Corporation, Expedia, Eagle Picher, The Doe Run Company, C-Band Alliance, Missouri State University, the Broadway League, Cassidy & Associates, Bayer, National Children’s Alliance, Team Kasparov, American Automotive Policy Council, National Audubon Society, EDP Enterprises, the Embassy of Qatar, Briggs and Stratton, Anacostia Watershed Society, SES, and Intuit.