An American author, researcher, U.S. Air Force veteran, and medical imaging professional whose writing explores history, science, technology, mystery, and the resilience of the human spirit. A registered Nuclear Medicine, CT, and Radiologic Technologist, he brings a technical and analytical perspective to his storytelling. His work spans historical fiction, thrillers, biography, genealogy, and investigative nonfiction. An IRONMAN finisher and ultrarunner, Martinez approaches writing as he does life—with curiosity, endurance, and a determination to discover the story beneath the story.