Stephen Sandford spent 28 years as an engineer and researcher at NASA, including senior assignments at Johnson Space Center and NASA headquarters. As Director for Space Technology and Exploration at NASA’s Langley Research Center, he led teams of engineers, researchers, and mission architects to enable human space exploration. Currently System Engineering Director at Stinger, Ghaffarian Technologies, Inc., his work spans a range of space challenges, from asteroid utilization to space policy. He has degrees in physics, electrical engineering, and optical science. Jay Heinrichs is the bestselling author of Thank You for Arguing.