Jack MacTavish is a retired United States Army Colonel and author of action-adventure and espionage fiction. Over a military career spanning more than 36 years in both the U.S. Army and Army Reserve, he served in airborne, special operations, and joint assignments, including roles supporting U.S. Army Special Operations Command and U.S. Special Operations Command.

His operational experience took him across multiple global regions, including Afghanistan, Korea, Haiti, Central and South America, and the Middle East. In addition to his military service, MacTavish has supported missions within the U.S. Intelligence Community as a contractor.

MacTavish is the author of Royal Diamonds (2026), his debut novel, which blends action-adventure, espionage, and historical intrigue. His writing is informed by firsthand experience, emphasizing realism, operational authenticity, and the complexities of modern conflict and global power dynamics.

He currently resides in North Carolina, where he continues to write and remains an advocate for veteran causes, including support for the Special Operations Warrior Foundation.

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