Steve Lindsey is the Chief Technology Officer for Sierra Space in addition to leading the company’s advanced programs. Steve is a former U.S. Air Force (USAF) pilot, five time NASA shuttle astronaut and commander with more than 30 years of flight test experience.

Steve earned a B.S. in Engineering Sciences from the U.S. Air Force Academy in 1982, was commissioned as a second lieutenant upon graduation and sent to Undergraduate Pilot Training. In 1987, he was selected to attend graduate school at the Air Force Institute of Technology, Wright-Patterson Air Force Base, where he completed an M.S. in Aeronautical Engineering. Steve completed the USAF Test Pilot School course at Edwards Air Force Base in 1989 and was assigned to Eglin Air Force Base in 1990 as an experimental test pilot. While a member of the 3247th Test Squadron, Steve served as the deputy director of the Advanced Tactical Air Reconnaissance System Joint Test Force and as the squadron’s F-16 flight commander. Additionally, he served as an Integrated Product team leader in the USAF SEEK EAGLE Office where he was responsible for weapons certification for the F-16, F-111, A-10 and F-117 aircraft. Steve retired from the Air Force in September 2006 after logging more than 7,000 hours of flying time in more than 50 different types of aircraft.

Steve was assigned to NASA as an astronaut candidate in 1995, becoming an astronaut the following year and qualifying for flight assignment as a pilot. During his 15+ year tenure at NASA, Steve completed five space flights and logged more than 1,510 hours in space. He served as pilot on STS-87 in 1997 and STS-95 in 1998, and was the mission commander on STS-104 in 2001, STS-121 in 2006 and STS-133 in 2011. He last served as chief of the astronaut corps, overseeing spacecraft development, crew selection and training and flight test/crew operations in support of the space shuttle, International Space Station (ISS) and Constellation Programs.

Upon joining Sierra Space, Steve led Dream Chaser flight operations. In August 2013, he was selected as Dream Chaser senior director and co-program manager tasked with managing the Dream Chaser systems development. Steve led the Dream Chaser program through the design certification phase, including atmospheric flight tests of the Engineering Test Article at NASA’s Armstrong Flight Research Center in California; and launch, orbit operations, entry and landing of the Dream Chaser cargo and crew systems for low-Earth orbit missions to the ISS.

In 2015, Steve was inducted into the U.S. Astronaut Hall of Fame at Kennedy Space Center. He has also received several industry and government recognition awards throughout his career including: Distinguished Graduate USAF Undergraduate Pilot Training and Distinguished Graduate and recipient of the Liethen-Tittle Award as the outstanding test pilot of the USAF Test Pilot School Class 89A.