Thomas is currently working as the Head of ETH Zurich | Space and as a speaker, consultant and board member. He was the longest continually running Head of Science at NASA from 2016 to 2022, responsible for 130 missions with 37 launches including JWST, Parker and Perseverance. Previously, he was a Professor for Space Science and Aerospace Engineering at the University of Michigan. Also, founder of the largest Entrepreneurship program at American Universities - the Michigan Center for Entrepreneurship. He received many awards and recognitions, including membership of the International Academy of Astronautics.