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Robert Shotwell

Robert Shotwell
Robert Shotwell is presently the CAL Project Manager and the Chief Engineer of the NASA/JPL Astronomy, Physics and Space Technology Directorate. From 2014 through 2016, he was the Chief Engineer for the Mars Program at JPL. In the Fall of 2013 Robert consulted at SpaceX at their McGregor propulsion test facility assisting Acceptance Test rate increases for the Merlin and Mvac engines. Prior to that, for 6 years he served as the Program Engineer of the Advanced Optical Systems Program Office at JPL. From 2003 through 2008, he was the Project Systems Engineer for the Phoenix Lander which successfully landed on the North Pole of Mars in 2008. Robert has held critical roles at JPL since 1993. He is the recipient of JPL Magellan Award, the NASA Exceptional Achievement Award, NASA-JPL Group Achievement Awards (5x), JPL Team Bonus Awards (3x), and the Commitment to Excellence Award (3x).




Kamal Oudrhiri

Kamal Oudrhiri
Kamal Oudrhiri is the CAL Mission Manager and the Planetary Radar & Radio Sciences group supervisor at NASA’s Jet Propulsion Laboratory. His research focuses on planetary atmospheric characterization, gravity science, and bistatic radar. Over the last two decades, Oudrhiri has served in key roles on multiple NASA missions: the Mars Exploration Rovers (MER), the international Cassini mission to Saturn, the GRAIL lunar mission, the Mars Science Laboratory (MSL), the Juno mission to Jupiter, and the New Horizons mission to Pluto. He has received three NASA’s JPL Mariner & Voyager Honor Awards and multiple NASA Group Achievement Awards. Oudrhiri is the recipient of the People Leadership Award, which recognizes exceptional people-leadership skills critical to the ongoing success of the NASA exploration missions.




Dr. Robert Thompson

Dr. Robert Thompson
Dr. Rob Thompson is the CAL Project Scientist. He has over twenty years of research experience and numerous publications in atomic and molecular physics,laser physics, and cavity quantum electrodynamics. His current research interests include studies of degenerate quantum gases in microgravity; space-based quantum sensors; and optical clocks. He received his Ph.D. from the University of Texas at Austin.




Dr. Dana Anderson

Dana Anderson
Dr. Dana Anderson is an Associate Professor in the Department of Electrical, Computer, and Energy Engineering at the University of Colorado at Boulder. Dr. Anderson is a member of the CAL engineering team and responsible for the design of the atom chip. His research interests include Real-time holographic systems, optical sensing and precision measurement, and atom optics. He received his Ph.D. From the University of Arizona. For more information, visit his website.




Dr. David Aveline

Dr. David Aveline
Dr. David Aveline is the Ground Testbed Lead. He received a NASA Group Achievement award for his work producing the first Bose-Einstein Condensation at JPL in 2006. He also led the development of the Atomic Physics Package for the Quantum Gravity Gradiometer. His research includes atom chip technology, optical micro-resonators, and photonics. He received his bachelor of science from Cornell University in applied and engineering physics and his masters and Ph.D in physics from University of Southern California.




Dr. Ethan Elliott

Dr. Ethan Elliott
Dr. Ethan Elliott is an ultracold atom expert leading the project’s Engineering Model Testbed, a flight-like copy of the CAL instrument used for system level, mission critical technology verification and flight sequence development. With over a decade of experience in experimental atomic physics, he first joined the CAL team as a Caltech postdoc in 2014 after receiving his Ph.D. from Duke University where he studied the hydrodynamics of strongly interacting Fermi gases, experimental analogues of high-temperature superconductors, neutron stars, and the quark gluon plasma of the big bang. He has shared two JPL Team Bonus Awards with Dr. Aveline and Dr. Williams for successfully demonstrating the fundamental experimental techniques behind CAL’s operation.




James Kellogg

James Kellogg
James Kellogg is the CAL Launch Vehicle & ISS Integration Lead in addition to being a Laser & Optics System Cognizant Engineer. He has extensive research experience in atomic physics systems development for laboratory and space applications. He received a NASA Group Achievement award as the Technical Lead in the development of the Integrated Micro Primary Atomic Clock Technology (IMPACT) physics package. James also received NASA Group Achievement awards for his contributions to the Atom-Wave Gravity Gradiometer, and for the GRAIL Flight Payload Development team. He received a B.S. in Physics with a Minor in Astrophysics from The University of Colorado, and an M.S. in Physics from the University of California at Irvine.




Dr. James Kohel

Dr. James Kohel
Dr. James Kohel, the CAL Laser & Optics Technical Lead, has over twenty years of research experience in laser, atomic and molecular physics, including the development of cold atom interferometers for inertial sensing. He has also worked to develop a multi-line UV Raman spectrometer for the detection of biological molecules, and was a member of the GRAIL Mission Payload & Integration Test Team. He received a B.S. in Physics from Texas A&M University and a Ph.D. in Physics from the University of Texas at Austin.




Jun Liu

Jun Liu has been working in the field of mechanical engineering both at JPL and private industries for more than 20 years. Prior to CAL, he was a cognizant engineer for Phoenix, MSL and a few other missions, and participated JPL frontier proposal and numerous instrument proposals as the mechanical lead. He holds Ph.D. in Tribology (a branch of mechanical engineering) from The University of Leeds, UK.




Dr. Jason Williams

Dr. Jason Williams
Dr. Jason Williams is a CAL PI and a member of the CAL Ground Testbed. He specializes in developing light pulse atom interferometers and optical atomic clocks, and their applications to both fundamental and applied physics in space. He received his Ph.D. from the Pennsylvania State University studying ultracold Fermi gases and held a NIST NRC Postdoctoral RA at JILA and the University of Colorado developing high-precision optical lattice clocks.




Carlo Abesamis

Carlo Abesamis
Carlo Abesamis is the CAL Mission Assurance Manager (MAM) in the Office of Safety and Mission Success. He is responsible for managing Safety and Mission Assurance activities on other Type II missions at JPL. He leads the Packaging, Qualification and Verification (PQV) effort on the Mars 2020. Carlo was the acting group supervisor for the JPL Procurement Quality Assurance (PQA) group before becoming a MAM. During his time in PQA, he led the implementation team in developing the JPL Supplier Corrective Action system into a comprehensive web-based system. He is also an experienced auditor and has facilitated numerous Process Audits and Quality Management Systems Audits at key JPL suppliers. Prior to joining JPL, Carlo was the Quality Engineer on the Space Shuttle Main Engine (SSME) Turbo machinery group at Rocketdyne in Canoga Park, CA.




John Trager

John Trager
John Trager is the CAL Flight Software Lead, has been working in test and systems engineering for 20 years, but CAL is the coolest project in his portfolio. He is a proud alumnus of Harvey Mudd College.




Chelsea Dutenhofer

Chelsea Dutenhoffer is the Mission Operations System and Ground Data System (GDS) Lead on CAL.  She is also a GDS Architect on the Europa Clipper mission.  Since joining JPL in 2008, she has had the opportunity to work on GDS development and operations for several missions, including Dawn, SMAP, InSight, SWOT, RapidScat, and Jason-3.  She holds a B.S. in Aerospace Engineering from Embry-Riddle Aeronautical University and M.S. in Mechanical Engineering from the University of Southern California.