Dear Hank & John Creators & Guests

John Green is an author, vlogger, producer, and educator.

Hank Green is an entrepreneur, musician, educator, producer, vlogger, and author.

Josef "Tuna" Metesh is a sound designer at Complexly and editor for the Dear Hank & John Podcast.

Helen Zaltzman is an English podcaster, broadcaster, and writer. She is best known for her work that she presents the comedy podcast Answer Me This!.

Hannah Witton is a YouTuber, broadcaster, author, and a co-host of Banging Book Club Podcast.

Mark Watson is a British comedian and novelist.

Alex Goldman is co-host of Reply All. His work has appeared on On the Media, 99% Invisible, Slate, and elsewhere.

Deboki Chakravarti is a freelance science writer and multimedia producer.

Brennan Lee Mulligan is an improviser, writer, and actor hailing from the mean streets of the Hudson Valley and the verdant forests of Hell's Kitchen.

Ryan Reynolds is a versatile actor and producer known for his charismatic and humorous performances. Born in Vancouver, Canada, Reynolds gained early fame with the TV series "Two Guys and a Girl" (1998-2001) and has since starred in a variety of films, including "Van Wilder" (2002), "The Proposal" (2009), and "Deadpool" (2016), which became a global phenomenon. His production company, Maximum Effort, has been involved in various successful projects. Reynolds continues to captivate audiences with his dynamic performances and engaging presence both on and off-screen.

Author of Money: The True Story of a Made-Up Thing. Formerly @planetmoney. Host of the podcast What's Your Problem.

Emily Graslie is an American science communicator and YouTube educator. She started volunteering at the Philip L.

Ceri Riley is a content manager and editorial assistant of the crash course.

Sarah Green is an American art museum curator, and the host of the PBS program, The Art Assignment.

Jenny Owen Youngs is a singer-songwriter, natural history enthusiast and co-host of the Buffering the Vampire Slayer | A Buffy the Vampire Slayer Podcast.

Flula Borg is a YouTube personality, actor, musician, comedian, DJ, singer, songwriter, record producer, and audio engineer, he is also known simply as Flula or DJ Flula.

Charlie Jane Anders is a writer and commentator. She has written several novels and is the publisher of Other Magazine, the "magazine of pop culture and politics for the new outcasts."

Roman Mars, born on October 16, 1974, is the host and producer of 99% Invisible, a KALW radio show and podcast, and a founder of the podcast collective Radiotopia. He has also contributed to radio programs such as Radiolab and Planet Money. Fast Company identified him as one of the hundred most creative people of 2013.