Mr. Simpkins has served as a senior managing director of Blackstone since December 1999. From 1993 until the time he joined Blackstone, Mr. Simpkins was a principal at Bain Capital. Prior to joining Bain Capital, Mr. Simpkins was a consultant at Bain & Company in London and the Asia Pacific region. He currently serves on the board of directors of Vanguard Health Systems Inc. and Team Health L.L.C.