Who's Who at NASA

Who's Who
Dr. Neil Cheatwood, IRVE-3 Principal Investigator, NASA Langley Research Center, Hampton, VA

Neil Cheatwood is principal investigator of the Inflatable Reentry Vehicle Experiment (IRVE-3). In July, the IRVE-3 team tested an inflatable heat shield that protects spacecraft from extreme temperatures and hypersonic speeds when entering a planet's...

Who's Who
Steve Gaddis, Program Director for NASA Space Technology's Game Changing Development Office, NASA Langley Research Center, Hampton, VA

Steve Gaddis runs the newly created Game Changing Technology Development Program Office. Gaddis leads the program’s efforts to develop innovative technologies that will revolutionize space...

Who's Who
Marcia Domack and John Wagner, Engineers, NASA Langley Research Center, Hampton, VA

Marcia Domack and John Wagner, engineers in the Advanced Materials and Processing Branch at NASA Langley Research Center, have worked with Boston-based metal fabricator Spincraft, focusing on a one-piece manufacturing process called spin forming. The team used...

Who's Who
Sandeep Yayathi, Robotics Engineer, NASA Johnson Space Center, Houston, TX

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, Sandeep Yayathi is developing a battery-based power system that will allow the Robonaut 2, now aboard the...

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...

Who's Who
Stephen Merkowitz, Project Manager, NASA Goddard Space Flight Center, Greenbelt, Maryland

NASA is helping to lead an international effort to upgrade the systems that supply crucial location information and earth science measurements. Stephen Merkowitz, the project manager of NASA's space geodesy initiative at NASA Goddard Space Flight Center in...

Who's Who
Michael Gazarik, Director of Space Technology Programs, NASA Headquarters, Washington DC

As NASA’s Director of Space Technology Programs, Michael Gazarik contributes to the development of technology that can be applied to NASA’s exploration systems, space operations, and science missions. Gazarik integrates and tracks all investments across...

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

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 early stages of designing a sample-collecting comet harpoon. NASA Goddard’s Donald Wegel, lead...

Who's Who
Dr. Bruce Wielicki, Senior Earth Scientist, Langley Research Center, Hampton, VA

Dr. Bruce Wielicki, senior Earth scientist within the Science Directorate at Langley Research Center, works as lead of the Climate Absolute Radiance and Refractivity Observatory (CLARREO) mission. The Tier-1 earth science decadal survey initiative will anchor a...

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...

Who's Who
Dr. Robert Okojie, Research Electronics Engineer, NASA Glenn Research Center, Cleveland OH

Dr. Robert Okojie, Research Electronics Engineer at the NASA Glenn Research Center, develops harsh-environment microelectromechanical systems (MEMS). Okojie currently processes, fabricates, tests, and packages silicon carbide pressure sensors,...

Who's Who
William Allen, Senior Engineer, Spacecraft Mechanical Engineering Section, Jet Propulsion Laboratory, Pasadena, CA

William Allen, senior engineer at the Jet Propulsion Laboratory, is the mechanical systems design lead on the Mars Science Laboratory (MSL), NASA’s biggest, most expensive, and most capable Mars rover. The rover is set to launch...

Who's Who
Phil McAlister, Acting Director of Commercial Spaceflight Development, NASA Headquarters, Washington, DC

Phil McAlister, acting director of commercial spaceflight development, oversees the efforts of the Commercial Crew Development and Cargo programs. The dual initiatives spur efforts within the private sector to boost human spaceflight...

Who's Who
Dr. Lin Chambers, Project Scientist, NASA Langley Science Directorate, Hampton, VA

Dr. Lin Chambers is Project Scientist in the Innovations in Global Climate Change Education program. The congressionally mandated project, initiated in 2008, awards grants to institutions that educate communities about climate science. The group develops resources...

Who's Who
Leland D. Melvin, Associate Administrator for Education, NASA Headquarters, Washington, DC

As NASA’s associate administrator for education, Leland Melvin is responsible for the development and implementation of the agency's education programs that strengthen student involvement and public awareness about NASA's scientific goals and...

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