Megan Mackie
Amazon bestseller, Megan Mackie is best known as the author of Cookbooks and Demons, as well as The Lucky Devil, Dead World, and Working Mask series.
Robert Madison II
Robert Madison II (MadDrRob) is the director of gaming and resident map maker of Obsidian Brews: A Black Tabletop Experience. Together they host panels and BIPOC gaming spaces at conventions.
Sarah Madsen
Sarah Madsen is an author and game designer. She has contributed to TTRPGs from Wizards of the Coast and Kobold Press, and the Necromancer's Tale and Ages of Cataria video games.
Terry Fredrick Maggert
Terry Maggert wrote the Backyard Starship, Peacemaker Wars, Gold Medal Marine, Messenger, Starcaster, and Shattered Skies series, and contributed to many anthologies.
ToniAnn Marini
ToniAnn Marini is a professor and a project manager for BLAM! Ventures/Magnetic Press. She has credits in two Space: 1999 graphic novels and more.
Patrick Wallace Mason
Pat Mason is an aerospace and nuclear engineer and power plant runner. He is also a host on several podcasts.
Becca Lynn Mathis
Author of contemporary shifter fantasy and ridiculously self indulgent fantasy romance. Panelist at multiple comic cons, with expertise in independent publishing in today's market, genre-bending, werewolf/shifter lore, and TTRPGs.
Alex Matsuo
Alex Matsuo is an author and paranormal investigator who has been seen on shows: Paranormal Revenge, Tubi's Scariest Places in the World, Haunted Hospitals, and Most Terrifying Places in America.
J. Fitzpatrick Mauldin
J. Fitzpatrick Mauldin is an Atlanta-based science fiction author of The Foundry series, praised in Kirkus Reviews. He is also a technology leader, husband, father of two, and avid gamer.
Wil McCarthy
Wil McCarthy has scored one Prometheus Award, two AnLabs, two New York Times Notable Books, and is the author of the acclaimed Queendom of Sol and Rich Man's Sky series.
Morgan A. McLaughlin McFarland
Morgan A. McLaughlin McFarland, MAPW, owns Salt Circle Games, publisher of the horror RPG Chill 3rd Edition. She is also a published fiction, nonfiction, and TTRPG author.
Bob McGough
Bob McGough is an author, podcaster, and indie tabletop game designer, best known for the Jubal County Saga urban fantasy series and the Books, Beards, Booze Podcast.
Brett A McGuire
MIT Prof. Brett McGuire has a PhD in chemistry and has worked with the National Radio Astronomy Observatory and Harvard & Smithsonian Center for Astrophysics. His specially is astrochemistry.
Shane McInnis
Shane McInnis works as a college professor teaching history, sociology, and anthropology. He has also spent time doing field archaeology work and published academic research.
Joseph Meany
Dr. Joseph Meany is a science consultant and president of the Interstellar Research Group. He is co-author of Graphene and Interstellar Travel: After Arrival.
Ben Meeks
Ben is an award winning sci-fi/fantasy author and woodworker. He excels at creative, outside the box thinking combined with a drive toward realism that gives his work a unique feel.
Violette L Meier
Violette Meier, the great-granddaughter of a dream interpreter, is a lover of all things supernatural and loves to write paranormal, fantasy, horror, among other genres.
Jason R. Merrill
Jason R. Merrill is a senior software engineer by day who curates Blackbird Finery, a purveyor of vintage gentleman's accessories.
Jon Michael
Jon Michael is a researcher of paranormal claims utilizing scientific reasoning to investigate mysteries and has a background in cybersecurity, philosophy, and christian theology.
Mililani_lilo
Sarah “Mililani_Lilo” has been a dedicated cosplayer since 2014, known for innovative craftsmanship using Worbla, EVA foam, and 3D printing; pushing cosplay's creative boundaries.
Melissa Truth Miller
Melissa T. Miller is a scientist, traveling the world's oceans to collect information about climate change. She is also a freelance science writer and the co-host of Star Warsologies.
Savannah Miller
Savannah is a public health professional with experience in environmental health, infectious disease, and women's health and is currently a medical student at Stanford University.
Stephanie Mirro
Stephanie Mirro writes bold, adventurous fantasy for readers who love a little heat with their heartbreak, and maybe a splash of chaos.
Katherine Monasterio
Whether editing fiction, RPG sourcebooks, or podcast anthologies, Katherine lives for strengthening the written word—and for creating it, as the author of novels, novellas, and award winning short stories.
Christopher G Moore
Christopher G. Moore is an award winning filmmaker, producer, and screenwriter. He directed and co-wrote a segment in the anthology Worst Laid Plans and is a producer for Mister X.
Marshall J. Moore
Marshall J. Moore is the author of the novel The Henchperson's Guide to Unionizing (Bantam Books, Fall 2026) and over 30 published short stories.
Casey Moores
A retired USAF rescue/special ops C-130 pilot, Casey Moores is an award winning author of military science fiction, fantasy, and post-apocalyptic novels and short stories.
David Moscato
David Moscato is a paleontologist, science writer, and host of the Common Descent podcast, applying experience as a fossil hunter, researcher, and educator to discussions about life on Earth.
Bill Edward Mulligan
Bill Mulligan works as a special effects technician, writer, director, actor, and producer. He can be heard on the Decades of Horror and Deep Images podcasts.
Mark Muncy
Mark Muncy is the bestselling author of the Eerie Florida and Eerie Appalachia book series. He is the host of the Eerie Travels podcast.
Amy J. Murphy
Amy J. Murphy is a two-time Dragon Award finalist for Best Military Science Fiction or Fantasy Novel for her Allies and Enemies series and is a submissions reader for Apex Magazine.