Prior to founding Saber Astronautics, Dr. Held was a US Army Major and Army Space Support Team leader for USSTRATCOM (formerly Space Command) and deployed internationally in support of military space missions. Dr. Held was a lead instructor at the Interservice Space Fundamentals Course and a guest engineer at Army Space and Missile Command Battle Lab. He conducted flight software engineering for the Wide Field Camera 3 of the Hubble Space Telescope and testing for the International Space Station. He also conducted verification and validation testing for an invasive class II medical device currently in market. Dr. Held was twice a guest instructor for the University of Stuttguart’s IRS Space Station Design Workshop and led a research expedition in the high Canadian Arctic. He also co-founded the Delta-V Spacehub Startup Acellerator. At the University of Sydney, he founded the space engineering laboratory, providing leadership for the university CubeSat project and Australia’s first premix rocket engine.