P.M. Castle draws on more than 40 years of experience as a newspaper reporter and editor in western Colorado. He worked 25 years as editor of the Business Times, a journal published in Grand Junction. His freelance work has appeared in diverse publications, including the Washington Post.
He’s received awards from the Colorado Press Association for news coverage and photography and was named the U.S. Small Business Administration journalist of the year for Colorado and SBA District VIII. Colorado Mesa University and the Grand Junction Area Chamber of Commerce also presented him awards in recognition of his work.
He holds a bachelor’s degree in journalism from Colorado State University, where he served as news editor of the student-run Rocky Mountain Collegian.
He’s a member of Rocky Mountain Fiction Writers and the Authors Guild. He’s a four-time finalist in the annual Colorado Gold Rush Literary Awards competition hosted by RMFW and won the 2020 award for mysteries and thrillers.
His short fiction appears in the 2026 RMFW anthology, 2026 Horizons anthology published by Twenty Bellows and 2025 Western Colorado Voices anthology published by the Western Colorado Writers’ Forum. His short story “Red Lanterns” was featured on the Creepy Podcast 31 Days of Horror special for 2026.
P.M. Castle divides his time between western Colorado and Southern California, where he hikes the mountains, canyons and deserts of the West. He holds certification as a master scuba diver and explores reefs and wrecks around the world.