· Booth-Kresa Leadership Chair, California Institute of Technology2018–2025
· Director, Center for Autonomous Systems and Technologies (CAST), California Institute of Technology2017–2025
· Director, Graduate Aerospace Laboratories (GALCIT), California Institute of Technology2015–2025
· Director, Linde Institute, California Institute of Technology2014–2016
· Vice Provost, California Institute of Technology2010–2016
· Hans W. Liepmann Professor of Aeronautics and Medical Engineering, California Institute of Technology1992–
· Associate Professor of Mechanical Engineering, University of California, San Diego1988–1992
· Assistant Professor of Mechanical Engineering, University of California, San Diego1985–1988
· Ph.D. in Aeronautics (Fluid Mechanics), California Institute of Technology1983–
· Senior Research Scientist, Jet Propulsion Laboratory and California Institute of Technology1983–1985
· Graduate Student/Research Assistant, California Institute of Technology1978–1983
· M.S. in Mechanical and Aerospace Engineering, Syracuse University1978–
· B.S. in Mechanical Engineering, Tehran University1976–