Roberto Colón Quiñones, Ph.D., currently serves as Vice President of Propulsion at Argo Space since July 2023. Previously, Roberto held several key positions at Momentus from November 2020 to July 2023, including Director of Spacecraft Design Engineering, Head of Propulsion Engineering, Project Manager for Propulsion, and Manager of Applied Physics, where significant advancements were made in spacecraft propulsion systems. Prior experience includes a role as a Physicist at Lawrence Livermore National Laboratory and research assistant positions at various esteemed institutions. Roberto earned a Ph.D. in Mechanical Engineering and a Master's in Aerospace Engineering from Stanford University, along with a Bachelor's in Aerospace Engineering from Purdue University.