Q&A

Dr. Carlos Calle, lead scientist in Kennedy Space Center’s Electrostatics and Surface Physics Lab, is developing instrumentation that...

Dr. Greg Chavers, test lead at the Marshall Space Flight Center in Huntsville, Alabama, helped to design the “Mighty Eagle” robotic prototype lander. The vehicle,...

Neil Cheatwood is principal investigator of the Inflatable Reentry Vehicle Experiment (IRVE-3). In July, the IRVE-3 team tested an inflatable heat...

Steve Gaddis runs the newly created Game Changing Technology Development Program Office. Gaddis leads the...

Marcia Domack and John Wagner, engineers in the Advanced Materials and Processing Branch at NASA Langley Research Center, have worked with Boston-based metal...

NASA robotics engineer Sandeep Yayathi works on Robonaut 2, or R2, a humanoid robot built and designed at Johnson Space Center in Houston. As a robotics engineer,...

Who's Who
Who's Who at NASA: Jack Vieira, Range Project Manager

In March of 2012, NASA successfully launched five rockets from its Wallops Flight Facility in Virginia. The launch was part of NASA's Anomalous Transport Rocket Experiment, or ATREX, which will help scientists better understand the jet stream. Jack Vieira, range project manager for the ATREX...

NASA is helping to lead an international effort to upgrade the systems that supply crucial location information and earth science measurements. Stephen...

As NASA’s Director of Space Technology Programs, Michael Gazarik contributes to the development of technology that can be applied to NASA’s...

Donald Wegel, Lead Engineer, NASA Goddard Space Flight Center, Greenbelt, MD

Scientists at NASA’s Goddard Space Flight Center in Greenbelt Maryland are in the...

Dr. Bruce Wielicki, senior Earth scientist within the Science Directorate at Langley Research Center, works as lead of the Climate Absolute Radiance and...

Who's Who
Sam Ortega, Program Manager, NASA Centennial Challenges, Marshall Space Flight Center, Huntsville, AL

Sam Ortega, manager of the NASA Centennial Challenges Program, leads progressive aerospace initiatives, encouraging the participation of independent teams, individual inventors, student groups, and private companies. Most recently, the...

Dr. Robert Okojie, Research Electronics Engineer at the NASA Glenn Research Center, develops harsh-environment microelectromechanical systems (MEMS)....

William Allen, senior engineer at the Jet Propulsion Laboratory, is the mechanical systems design lead on the Mars Science...

Phil McAlister, acting director of commercial spaceflight development, oversees the efforts of the Commercial Crew Development and Cargo...

Dr. Lin Chambers is Project Scientist in the Innovations in Global Climate Change Education program. The congressionally mandated project, initiated in 2008,...

As NASA’s associate administrator for education, Leland Melvin is responsible for the development and implementation of the agency's education...

As NASA's Chief Engineer, Michael Ryschkewitsch is responsible for the overall review and technical readiness of all NASA programs.

Waleed Abdalati, on January 3rd of this year, became NASA’s chief scientist. He will serve as the principal adviser to the NASA administrator on agency science...

Who's Who
Chad R. Frost, Intelligent Systems Division’s Area Lead for Autonomous Systems and Robotics, NASA Ames Research Center, Moffett Field, CA

Chad R. Frost supervises the Autonomous Systems and Robotics (ASR) technical area in Ames Research Center's Intelligent Systems Division. ASR staff develops advanced automation and control technologies to...

Dale P. Cruikshank is an astronomer and planetary scientist in the Astrophysics Branch at Ames Research Center. His research specialties...

Dr. Jacqueline Quinn is an environmental engineer with NASA’s Surface Systems Office at the Kennedy Space Center in Florida. In...

Dr. Jim Green began his NASA career in 1980 at Marshall Space Flight Center’s Magnetospheric Physics Branch where he developed and managed the Space...

Steven Schmidt joined NASA’s Dryden Flight Research Center in 1994 as a project engineer and manager on programs such as the X-33, X-38, X-43A, F-15...

After a brief career teaching at University College London in the U.K., Dr. Robert Youngquist returned to the U.S. and went to work as a contractor...

While pursuing a master’s degree in aerospace guidance, navigation, and control theory at UT Austin, Terry Hill got an opportunity...

In 2001, NASA engineer Michael Ewert developed and patented a unique solar-powered vapor-compression refrigeration system that...

Born and raised in Seoul, Korea, Jaiwon Shin emigrated to the U.S. at the age of 23, and in 1989, he joined NASA’s Glenn...

Dr. William Ko joined NASA’s Dryden Flight Research Center in 1977 after receiving a PhD in aeronautics from California...

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