
Mark Simmons
author of “Killing Keiko: The True Story of Free Willy’s Return to the Wild”
Heard on 6 podcasts
Shows that have booked Mark Simmons as a guest, ranked by appearance count.






Appearance timeline
Every podcast episode Mark Simmons has appeared on, newest first.





10: Past is Prologue - Using Our Knowledge to Do What is Best for Tokitae (Lolita) with Mark Simmons, author of “Killing Keiko: The True Story of Free Willy’s Return to the Wild”

Often appears alongside
Guests who share the same shows as Mark Simmons. Worth a look if you're building a panel or pitching the same circuit.
Frequently asked questions
What podcasts has Mark Simmons been on?
Mark Simmons has appeared on 6 podcasts across 6 episodes. Notable shows include The Bardo Podcast, Chatabix, The Comedy Writers Group.
What does Mark Simmons do?
Mark Simmons is author of “Killing Keiko: The True Story of Free Willy’s Return to the Wild”. Podcast appearances span topics tied to their work and expertise.
When was Mark Simmons's most recent podcast appearance?
Mark Simmons's most recent appearance was on "Ep.3 - Mark Simmons: The Philosophy of Laughter and Dying on Stage". The Bardo Podcast, published Feb 3, 2026.
Which podcast has Mark Simmons appeared on most often?
The Bardo Podcast. 1 appearance on record, most recently Feb 3, 2026.
