Sean T. Klimczak is a Senior Managing Director in the Private Equity Group and is based in New York. Since joining Blackstone in 2005, Mr. Klimczak has been involved in the execution of several Blackstone investments, including various Sithe Global investments (including Goreway, Bujagali, GNP Mariveles and SKS), Cheniere Energy Partners, Fisterra, PQ Energy, Utility One Source, Meerwind, Transmission Developers, American Petroleum Tankers and The Weather Channel. Before joining Blackstone, Mr. Klimczak was an Associate at Madison Dearborn Partners. Prior to that, Mr. Klimczak worked in the Mergers & Acquisitions department of Morgan Stanley & Company’s Investment Banking Division. Mr. Klimczak received a B.B.A. in Finance and Business Economics from the University of Notre Dame, where he graduated summa cum laude and was elected to Beta Gamma Sigma, and an M.B.A. with High Distinction from Harvard Business School, where he graduated with the highest academic standing in his class and was selected as a Baker Scholar, a John L. Loeb Fellow, a Henry Ford II Scholar and a William J. Carey Scholar. Mr. Klimczak serves as a director of Sithe Global, Cheniere Energy Partners, Fisterra, PQ Energy, Onyx Renewables, Utility One Source, Meerwind, Transmission Developers and The Blackstone Charitable Foundation. He also serves as a member of the Board of Trustees of Saint Mary’s College and as a member of the University of Notre Dame Mendoza College of Business Advisory Council. Mr. Klimczak was named a World Economic Forum Young Global Leader in 2015