Rebecca Roanhorse is a Nebula and Hugo Award-winning speculative fiction writer and the recipient of the 2018 Campbell Award for Best New Writer.
Emily Mah Tippetts (moderator) is an author of science fiction and fantasy and is a former attorney with degrees in philosophy, politics and
Walter Jon Williams is the bestselling author of more than thirty volumes of fiction in addition to works in film, television, comics and the
Lieutenant General (Retired) Susan J. Helms was the first U.S. military woman in space and the first woman to live aboard the International Space
Frank Buzzard spent a 30-year career with NASA at the Johnson Space Center, retiring in 2003 after leading the NASA Columbia Accident
Veteran correspondent Greg Dobbs will moderate this program. From his “boots on the ground” news coverage in more than 80 countries around the
David Mikkelson is the founder and CEO of Snopes.com, the oldest and most respected fact-checking site online. Mikkelson founded the site in 1994
Sam Gill joined the Knight Foundation in June 2015. The Knight Foundation fosters informed and engaged communities and supports ideas that
Major General (Retired) Roy D. Bridges, Jr. piloted the Space Shuttle Challenger on the 8-day Space Lab 2 mission. As a pilot, test pilot and
Jo Ann Allen is the creator and host of Been There Done That. Recent podcast collaborations include Death, Sex & Money with Anna Sale and
Phil Weiser is the 39th Attorney General of Colorado. As the state’s chief legal officer, Weiser is committed to protecting the people of
