Tom Mueller was a founding employee of SpaceX, and is currently the Propulsion Chief Technology Officer.

Mr. Mueller focuses on new technology developments for propulsion, including Mars main propulsion and surface power. Prior to becoming SpaceX CTO  in 2014, he served as the company's Vice President of Propulsion Engineering for 12 years, helping with design and development of propulsion systems for the Falcon launch vehicle and Dragon spacecraft.

Mr. Mueller received a Bachelor of Science degree in Mechanical Engineering from the University of Idaho and later graduated from Loyola Marymount University with a Master of Science degree in the same field of engineering. He also holds several U.S. patents for propulsion technology.