Richard Marcinko was a US Navy SEAL commander and Vietnam War veteran. He was the first commanding officer of SEAL Team Six. After retiring from the navy, he became an author, radio host, military consultant, and motivational speaker. He is the author of The Rogue Warrior®’s Strategy for Success: A Commando’s Principles of Winning, and the New York Times business bestseller Leadership Secrets of the Rogue Warrior: A Commando’s Guide to Success. In addition to his bestselling autobiography, Rogue Warrior, he coauthored with John Weisman the New York Times bestselling novels Rogue Warrior: Red Cell, Rogue Warrior: Green Team, Rogue Warrior: Task Force Blue, Rogue Warrior: Designation Gold, Rogue Warrior: Seal Force Alpha, Rogue Warrior: Option Delta, and Rogue Warrior: Echo Platoon. He died on December 25, 2021.