Follow this link to skip to the main content
  NASA Logo
Jet Propulsion Laboratory
California Institute of Technology
+ View the NASA Portal
Search JPL
JPL Home Earth Solar System Stars and Galaxies Technology
JPL Robotics
Search Robotics
Home Page
Image Gallery
Video Gallery
Personal Page Publications Image Gallery Videos
Ashitey Trebi-Ollennu's Picture
Jet Propulsion Laboratory
M/S 82-105
4800 Oak Grove Drive
Pasadena, CA 91109
Click here
Member of:
Robotic Manipulation and Sampling Group
Ashitey Trebi-Ollennu, Ph.D, CEng FIEE, SMIEE
Senior Member of Engineering Staff
(Short description>>)

Dr Ashitey Trebi-Ollennu (FIET, FRAeS, SMIEEE, PMP) is a Group Lead and Robotics Engineer at the NASA-Jet Propulsion Laboratory, California Institute of Technology, in Pasadena, CA and a Fellow of the IET (U.K.), a Fellow of the Royal Aeronautical Society, U.K., a Senior Member of the IEEE and Certified Project Management Professional (PMP). Dr. Trebi-Ollennu received the 2008 NASA Exceptional Engineering Achievement Medal for his contributions to the Mars Exploration Rover mission, 2007 Outstanding Engineer Award from IEEE Region 6, 2007 Sir Monty Finniston Achievement Medal from Institution of Engineering and Technology, U.K., and 2010 Specialist Silver Award from the Royal Aeronautical Society, U.K. Dr. Trebi-Ollennu is also a recipient of a dozen NASA Group Achievement Awards (FIDO, MER & Phoenix) and over half a dozen major NASA Space Act Awards. He currently works on the InSight Mission as an Instrument Deployment Systems Engineer and MSL (Curiosity Rover) as a Robotic Arm Systems Engineer.

Ph.D. in Control Systems Engineering, School of Engineering and Applied
Science, Royal Military College Science, Cranfield University, U.K., 1996. Thesis: Robust Non-linear Control Designs Using Adaptive Fuzzy Systems
B.Eng. in Avionics, Department of Aeronautical Engineering, Queen Mary College,
University of London, 1991. Dissertation: Review of 4-D guidance techniques and the simulation of 4-D aircraft guidance.
Research Scholar, Institute for Complex Research Engineered, Carnegie Mellon University , were he helped develop a system of All Terrain Vehicles (ATVs) for distributed tactical surveillance for DARPA.

Multidisciplinary Engineer with a broad background and extensive hands-on experience in Space Robotics Systems, Flight Systems Integration & Test, Planetary Rover Operations, System of Systems Design, Distributed Mobile Robotics, System Architectures, Dynamic Modeling, Control Systems design for Aerospace and Mechatronics Systems and Contract Technical Management.
1. Flight Systems Engineering: Robotics Systems Engineer, Integration & Test Engineer, V&V Engineer and Mission Operations
2. Technical Management: Task and Project management
3. Technology Development: Manipulation, Sampling, Control, Autonomy and Mission Operations concept development for new missions and programs.
4. New Mission Initiatives: Provide technical support, concepts, cost estimate and reviews for new JPL mission proposals.
1999 to Present:
FIDO Rover
Mars Exploration Rover Mission (MER)
Phoenix Mars Lander
Task Manager – Autonomy for unmanned Sea Surface Vehicles (sponsored by OFFICE OF NAVAL RESEARCH)
Task Manager – Lunar Surface Operations Testbet (LSOT)
Task Manager - Planetary Surface Geophysical Exploration Testbed
Mars Science Laboratory
InSight Mission

Flight Project and Research Task Involvement

Flight Projects:
2016 - Insight Mars Lander
2011 - Mars Science Laboratory
2007 - Phoenix Mars Lander
2003 - Mars Exploration Rover

Research Tasks:
Advanced Behaviors and Sensing for Unmanned Surface Vehicles
An Analytical Configuration Model for Modular Cooperative-repair Robot Teams Given Mission Constraints

Planetary Rovers
Adjustable Autonomy
System of Systems
Planetary Rover Operations
Multiple Mobile Robots
Reconfigurable Robots
Man-machine Interaction

1. NASA Exceptional Engineering Achievement Medal (2008) “For exceptional technical contributions to the Mars Exploration Rovers, providing comprehensive engineering support pre- and post-launch, including resolutions of rover anomalies.”
2. Sir Monty Finniston Achievement Medal (2007) for outstanding technical contribution to any field of Engineering from the Institution of Engineering and Technology (IET), Europe’s largest professional society for engineers. “For outstanding technical contribution to the NASA’s Mars Exploration Rovers mission.”
3. Outstanding Engineer Award (2007), from IEEE Region 6 (12 states of the Western USA.), for exceptional technical leadership and ingenuity in diagnosing the Mars Exploration Rover Opportunity robotic arm anomaly culminating in a successful resolution of the anomaly leading to the continuing successful exploration of the surface of Mars in the extended mission. Also for exceptional service to the IEEE as a Guest Editor in organizing and publishing a special issue of IEEE Robotics & Automation Magazine on Mars Exploration Rovers, June 2006
4. JPL Mariner Award from MER for outstanding leadership in the analysis and resolution of the IDD unstow anomaly on Opportunity rover, 2006.
5. NASA SPACE ACT AWARD, Inventions and Contributions Board Major Award, Mars Exploration Rover Ground Based Rover Localization, 2005
6. NASA SPACE ACT AWARD, Inventions and Contributions Board Major Award, Mars Rover Pair Cooperatively Grasping and Lifting a Long Payload, 2005
7. NASA SPACE ACT AWARD, Inventions and Contributions Board Major Award, Planetary Rover Absolute Heading Detection Using A Sun-Sensor, 2005
8. NASA-JPL MER Certificate of Recognition for outstanding contribution to the success of the Mars Exploration Rover Mission May 6, 2004
9. JPL Lump Sum Merit Award, 2003
10. 2003 JPL SPOT Award for significant contribution to MER Spacecraft Rover Engineering Team (SRET)
11. 2003 JPL SPOT Award for significant contribution to MER IDD GDS Tools and Roles of SRET Team.
12. NASA Awards for Technical Innovation
1. Planetary Rover Absolute Heading Detection Using a Sun- Sensor" NPO-21182. April-2002 issue, page # 35
2. Advances in Cooperative Transport by Two Mobile Robots"NPO-30376. Aug-2002 issue, page #60
3. Further Advances in Cooperative Transport by Mobile Robots"NPO-30511. Oct-2002 issue, page #68
4. Minirovers as Test Beds for Robotic and Sensor-Web Concepts"NPO-30342. Nov-2002 issue, page #56
9. 1996 British Council Young Research Workers Grant

Privacy/Copyright Image Policy Glossary Sitemap Feedback Contact Us
  National Aeronautics and Space Administration website.