Josh Byerly is an award-winning writer and television personality. From 2007 to 2014, he was Public Affairs Officer and Spokesman for NASA based at the Johnson Space Center in Houston, Texas. He has since returned to the private sector, working for Honeywell.

Byerly worked in the Office of Communications and Public Affairs as a NASA spokesperson and served as one of the "voices of NASA", providing commentary from inside Mission Control during space shuttle and International Space Station missions. He has served as commentator on several shuttle missions, including the final space shuttle servicing mission to the Hubble Space Telescope and several to the International Space Station. He was ascent commentator for STS-133, the final launch of Space Shuttle Discovery on February 24, 2011. Byerly's voice appears in the Smithsonian's National Air and Space Museum as part of the Space Shuttle Discovery exhibit.

Byerly began his career as a television reporter and producer for KBTX, the CBS affiliate in Bryan, Texas. He then moved to Dallas to work for two media/public relations firms, Springbok Cohn & Wolfe and The Point Group. Byerly managed the media relations campaigns for several clients during this time. He then worked for Flowserve Corporation in Dallas as the global communications manager for the company's 14,000 employees. He is a frequent public speaker on the topics of communication, media relations and public engagement and serves as a mentor for college students. He has received multiple awards from the International Association of Business Communicators and other organizations.

Byerly holds a Bachelor of Science in Journalism from Texas A&M University and a Master of Business Administration in Global Management.