Christopher A RoosaChristopher A. Roosa is a retired colonel from the US Marine Corps Reserve and is a combat veteran. He served in various positions in Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom. He has worked as a senior congressional staffr on the House of Representatives' Committee on Science, as a special assistant on the US secretary of defense's first Base Realignment and Closure Commission, as a political advance person for the US Office of the Vice President, and as director of policy for a NASDAQ-100 corporation. For the last fifteen years he has also worked as an independent contractor for the US government. Read More Read Less