Lee Rosen is a highly experienced engineer, space operator, and acquisition professional. After earning a Bachelor of Science from the US Air Force Academy, Rosen went on to obtain Masters's degrees from the Air Force Institute of Technology, University of North Dakota, Air Command and Staff College, and the National Defence University. These academic credits were employed throughout his 23-year long tenure with the US Air Force, during which Rosen completed command tours at the 4th Space Launch Squadron, Vandenberg Air Force Station in California, and 45th Launch Group, Cape Canaveral Air Force Station, Florida, with multiple tours in the National Reconnaissance Office and Space and Missiles Systems Centre.
After retiring from the Air Force as a Colonel, Rosen spent over 10 years with SpaceX, leading the construction of the Vanderberg Launch Site for Falcon 9 and Falcon Heavy. During this time, he fulfilled roles such as Vice President of Mission & Launch Operations, then Vice President of Customer Operations and Integration, which saw Rosen responsible for mission management and operation of the Dragon Spacecraft including Astronaut Training.