Waldman is also the founder of Spacehack.org, a directory for citizen scientist participation in space exploration, and the global director of Science Hack Day, a grassroots science prototyping initiative in over 25 countries. She is the 2013 recipient of the Champion of Change in Citizen Science, an honor from the Obama White House, and author of the book What’s It Like in Space?: Stories from Astronauts Who’ve Been There. She is the co-author of a National Academy of Sciences report on the future of human spaceflight.