Mark H. Rachesky, M.D. is the Founder and Chief Investment Officer of MHR Fund Management LLC, a New York-based investment firm that takes a private equity approach to investing. MHR manages approximately US$5 billion of capital and has holdings in public and private companies in a variety of industries. He has been the Independent Chairman of the Board of Directors of Telesat Corporation and a member of its Compensation Committee and Nominating Committee since November 2021. Dr. Rachesky has been Chairman of the Telesat Canada Board of Directors since 2007 and from 2007 to 2021 was also a member of the Telesat Canada Compensation and Corporate Governance Committee. He was Non-executive Chairman of the Board of Directors of Loral Space & Communications Inc. from 2006 – 2021 and was Chairman of the Loral Compensation Committee and a member of the Loral Executive Committee. 

Dr. Rachesky is Chairman of the Board of Directors of Lions Gate Entertainment Corp and a director of Titan International, Inc. He served on the Board of Directors of Navistar International Corporation, Emisphere Technologies, Inc. and Leap Wireless International, Inc. Dr. Rachesky holds an MBA from the Stanford University School of Business, an MD from the Stanford University School of Medicine and a BA in Molecular Aspects of Cancer from the University of Pennsylvania. Dr. Rachesky became a director of Telesat in October 2007.