Mark N. Sirangelo is the Corporate Vice President and Head of Space Systems at Sierra Nevada Corporation (SNC), a producer of satellites, space transportation vehicles, propulsion systems and space sub-systems. He was formerly the Chairman and CEO of SpaceDev, Inc., prior to its merging with SNC. Sirangelo is Chairman Emeritus of the Commercial Spaceflight Federation, and is the founding Chairman of eSpace, The Center for Space Entrepreneurship. Additionally, he is a member of the board of Governors of the Aerospace Industries Association, and has been inducted as an Associate Fellow of the American Institute of Aeronautics and Astronautics. Sirangelo's involvement extends to charitable work as a board member and trustee of the National Center for Missing & Exploited Children, and as founder, Vice Chairman and Treasurer for the International Centre for Children. He holds Doctorate, MBA and Bachelor of Science Degrees, has been scientifically published, has served as an officer in the U.S. military and is a licensed pilot.