StarTalk Radio Creators & Guests

Marcia Belsky is a stand-up comedian, podcast host, musician, and writer.

Gary O’Reilly is the StarTalk Sports Edition Co-Host & Playing with Science Host.

Charles Liu is a researcher, writer, author, and professor.

Neil deGrasse Tyson is a distinguished American astrophysicist, author, and science communicator celebrated for his ability to popularize complex scientific concepts. As the director of the Hayden Planetarium and a research associate at the American Museum of Natural History, Tyson has significantly contributed to public understanding of space and science. He is best known for hosting the TV series "Cosmos: A Spacetime Odyssey" and "StarTalk," which blend science with popular culture. Tyson's engaging approach and dedication to science education have earned him numerous accolades and a prominent place in contemporary science communication.

Jordan Klepper is a comedian, writer, producer, political commentator, actor, and television host.

Harrison Greenbaum is an American stand-up comedian and comedy writer.

Paul Mecurio is a comedian, lawyer, and investment banker.

Matt Kirshen is a British comedian, actor, writer,presenter and co-hosts a science-based comedy podcast called Probably Science.

Chuck Nice is a stand-up comedian, radio personality, podcaster, and co-host of StarTalk Radio Podcast.

Lindsey N. Walker is the senior producer at StarTalk Radio Podcast.

Dr. David Grinspoon is an astrobiologist.

Dr. David Kipping is an assistant professor in Astronomy at Columbia University.

Kate Marvel is a climate scientist and science writer. She is an Associate Research Scientist at NASA Goddard Institute for Space Studies and Columbia Engineering's Department of Applied Physics & Mathematics. She also writes regularly for Scientific American in her column "Hot Planet."

Katie Couric is a journalist and author.

Malcolm Gladwell is a Canadian journalist, author, and public speaker known for his books and essays on social science, psychology, and human behavior. He has been a staff writer for New Yorker since 1996. Gladwell gained widespread recognition with his debut book, "The Tipping Point," followed by bestsellers like "Blink," "Outliers," and "David and Goliath." He is also the co-founder of the podcast company Pushkin Industries and hosts the "Revisionist History" podcast.

Dr. Kevin R. Stone is a physician, orthopedic surgeon, clinician, and researcher.

Jake Roper is a filmmaker and YouTuber creator who hosts the YouTube channel Vsauce3 and the YouTube original series "Could You Survive The Movies?"

Ellen Staurowsky is professor of sport management at Drexel University, and co-author of "College Athletes for Hire: The Evolution and Legacy of the NCAA Amateur Myth."