|Occupation||Writer, game designer|
Michael Mearls is a writer and designer of fantasy role-playing games (RPGs) and related fiction. He was the senior manager for the Dungeons & Dragons research and design team. He co-led design for the 5th edition of the game. He also worked on the Castle Ravenloft board game, and various compendium books for 3rd, 4th, and 5th editions Dungeons & Dragons.
Mearls wrote the adventure To Stand on Hallowed Ground/Swords Against Deception (2001) for Fiery Dragon Productions: 226 and the last product from Hogshead Publishing, a Warhammer adventure titled Fear the Worst (2002) that Hogshead released for free on the internet.: 307 He also designed the game Iron Heroes (2005) for Malhavoc Press.: 226
In June 2005, Mearls was hired as a designer by Wizards of the Coast; he came to Wizards through the community of third-party d20 designers.: 301 At Wizards, he served as a lead developer for Dungeons & Dragons R&D working on the new 4th Edition. Between the "Orcus I" and "Orcus II" design phases for fourth edition, Mearls spliced the encounter-power mechanics of fourth edition into Tome of Battle: The Book of Nine Swords (2006), which was in process during development of the new edition.: 298
Along with Andy Collins, David Noonan, and Jesse Decker, Mearls was part of Rob Heinsoo's "Flywheel" design team for the fourth edition of Dungeons & Dragons, and did the final concept work from May 2006 to September 2006, before the first books for the edition were written and playtested.: 297 After Heinsoo was laid off in 2009, Mearls stepped up to become the new D&D Lead Designer.: 301 He co-designed the Castle Ravenloft Board Game (2010) with Bill Slavicsek.: 302
In 2014, Mearls was a senior manager for Dungeons & Dragons research and development. Mearls was, together with Jeremy Crawford, Co-Lead Designer for the Fifth Edition of Dungeons & Dragons.  By 2018, Mearls had become the franchise's Creative Director. He left the Wizards of the Coast tabletop RPG team in 2019 and was replaced by Ray Winninger as the Executive Producer in charge of the Dungeons & Dragons studio in 2020.
- Iron Heroes role playing game.
- "The Siege of Durgham's Folly," from Necromancer Games
- Dungeons & Dragons 4th Edition Player's Handbook 2
- Dungeons & Dragons 4th Edition Monster Manual 3
- Dungeons & Dragons 4th Edition Keep on the Shadowfell, Adventure Book
- Playtest: New Hybrid and Multiclass Options, Dragon magazine #400
- Dragon magazine #360
- "TheDartmouth.com | Graduation List as of June 5, 1997". Archived from the original on July 9, 2013. Retrieved April 10, 2009.
- "College Should Look Into Robot Workers, Cloning and Zombies".
- Shannon Appelcline (2011). Designers & Dragons. Mongoose Publishing. ISBN 978-1-907702-58-7.
- "Homepage". Wizards Corporate.
- Frum, Larry (19 August 2014). "Digital-age 'Dungeons & Dragons' more than rolling dice". CNN. Retrieved 2020-05-06.
- "Mike Mearls | Dungeons & Dragons". dnd.wizards.com.
- Wizards RPG Team (2014). Players Handbook. Wizard of the Coast. ISBN 978-0786965601.
- Bolding, Jonathan (June 2, 2014). "Inside the Launch of the New Dungeons & Dragons With Designer Mike Mearls". The Escapist. Retrieved 2020-05-06.
- Bolding, Jonathan (April 2, 2015). "An Interview With Jeremy Crawford, Co-Designer and Editor of Dungeons & Dragons 5th Edition". The Escapist. Retrieved 2020-05-06.
- Brodeur, Nicole (2018-05-04). "Behind the scenes of the making of Dungeons & Dragons". The Seattle Times. Retrieved 2020-05-06.
- Hoffer, Christian (June 7, 2018). "Exclusive: 'Dungeons & Dragons' to Announce New Settings for Fifth Edition Later This Year". ComicBook.com. Retrieved 2020-05-06.
- Thomas, Jeremy (April 29, 2020). "Dungeons & Dragons' Design Team Has a New Head, Mike Mearls Exited Last Year". 411MANIA. Archived from the original on 2020-05-02. Retrieved 2020-05-06.
- Crawford, Jeremy (2020-04-28). "He no longer works on the tabletop RPG team and hasn't since sometime last year". Twitter. Jeremy Crawford. Retrieved 2020-05-06.
- Crawford, Jeremy; Mearls, Mike; Wyatt, James. "Contents". Player's Handbook 2. Wizards of the Coast. Retrieved 2011-10-05.
- "Mike Mearls | Dungeons & Dragons". dnd.wizards.com. Retrieved 2017-10-08.
- Mearls, Mike. "Playtest: New Hybrid and Multiclass Options". Dragon magazine #400. Wizards of the Coast. Retrieved 5 October 2011.
- Mearls, Mike (2007-09-21). "Encounter Design in 4th Edition". Dragon magazine #360. Wizards of the Coast. Retrieved 2012-08-23.