Marcas P. O’Dea (Gaelic: Ó Deaghaidh)(pronounced “oh-DAY”) is an award-winning Irish-American writer, storyteller, publisher, publicist, and creative strategist operating at the intersection of literature, media, and meaningful work.
As founder and creative director of Barking Dog Media USA and Rooster & Moon Publishing, Marcas brings an expansive vision to everything he touches — from book development and cover design to podcast production and global arts advocacy. He is the co-founder of Reenchantment House LLC, a publishing venture partnership with bestselling author and psychologist Dr. Eric Maisel, dedicated to bringing transformative works to readers worldwide.
Marcas serves as Global Director of Strategic Partnerships for the International Association of Creative and Performing Artists (IACPA), spanning 33 countries and connecting creative professionals across the globe.
As a broadcaster, Marcas co-hosts Still Waters, a podcast exploring the depths of human creativity and sensitivity (with
Bill Allen), and is the host of the forthcoming The Variable (launching June 2026), a show dedicated to the moments that change everything.
A monthly columnist for Rooster Magazine, Marcas has practiced astrology professionally since 1981. His written work has appeared in numerous publications including The Sun, The Bark, and New York Magazine, the fiction anthology Darker Times (UK), and the essay anthology Aging: An Apprenticeship (editor: Nan Narboe).
Marcas is the author of four completed novels written under multiple literary personas, with additional non-fiction works in active development. His screenplays have been considered by notable figures including Barry Sonnenfeld, James Cameron, Jim Carrey, James Franco, and Ryan Reynolds.
As a graphic artist and book cover designer, Marcas leverages decades of media and marketing expertise to help authors present their work to the world with power and intention.
Marcas P. O’Dea doesn’t just tell stories. He builds the infrastructure for stories to matter.
Web Presence:
Purchase your copy of Aging: An Apprenticeship wherever fine books are sold!
Contains the essay, “Passing for Young-ish,” by Marcas P. O’Dea*
*Writing as Christian M. Lyons