[6] In 2014, he and Lynne M. Thomas began Uncanny Magazine, as "a home for emotional, strongly written, experimental stories and provocative nonfiction" and poetry.

[9] Thomas has been the co-editor of several collections of stories and essays, including Glitter & Mayhem (2013 with John Klima and Lynne M. Thomas),[10] and Queers Dig Time Lords: A Celebration of Doctor Who by the LGBTQ Fans Who Love It (2014, with Sigrid Ellis), and The Best of Uncanny (2019, with Lynne M.

He chaired the City of DeKalb Advisory Commission on Disabilities and the DeKalb County Local Interagency Networking Council, and served on the planning committee of the Aicardi Syndrome Family Conference.

In 2017, the Thomases and Mary Robinette Kowal crafted the "SF/F Convention Accessibility Pledge", a list of three basic accessibility requirements for signers' participation in conventions as participants, panelists, or guests.

[16] Awards won by Michael Damian Thomas include the following: Beginning in 2017,[17] the Thomases lived in Urbana, Illinois[5] with their daughter Caitlin, who has Aicardi syndrome.