Anna Rothschild is the creator and host of Gross Science, a YouTube series from NOVA and PBS Digital Studios. She's a multimedia producer and science journalist with a deep curiosity, a passion for education, and expertise in all areas of production: she directs, shoots, edits, animates, narrates, and hosts. Rothschild was awarded the 2016 AAAS Kavli Gold Award for Children's Science News for her Gross Science series. She also received the American Institute of Physics' 2012 Science Communication Award for New Media, and their 2015 award for Broadcast/New Media.

Greg Kestin holds a faculty position at Harvard University, where he conducts theoretical physics research, teaches, and produces educational online content. He earned his physics Ph.D. from Harvard, as a member of The Center for the Fundamental Laws of Nature, focusing on theoretical particle physics and quantum field theory. Over his career, he has also conducted research in nuclear physics, fusion energy, and gravitational wave physics. For over a decade he has been involved with innovative educational outreach endeavors, bringing science to both students and members of the public through his writings, videos, lectures, and multimedia.