As a writer, Jon has published over a dozen novels including four Lawson Vampire adventures (2002-2003) with Kensington's Pinnacle Books, the Jake Thunder mystery/thriller DANGER-CLOSE (2004) with Five Star Mystery/Thorndike Press, and eleven installments in the internationally bestselling adventure series Rogue Angel (2006-present) with Harlequin's Gold Eagle line. His latest thriller PARALLAX debuted in March 2009 as an exclusive ebook. Praised by bestselling authors like Robert B. Parker, Douglas Clegg, and Thomas Monteleone, Jon's novels will continue to thrill readers for many years to come. His short fiction story "Prisoner 392" (appeared alongside Stephen King in FROM THE BORDERLANDS, 2004, Warner Books) earned him an Honorable Mention in 2004's Year's Best Fantasy & Horror edited by Ellen Datlow. Jon has also co-authored two non-fiction books: LEARNING LATER, LIVING GREATER with Nancy Merz Nordstrom (2006, Sentient Publications) and THE COMPLETE IDIOT'S GUIDE TO ULTIMATE FIGHTING with Rich "Ace" Franklin (2007, Alpha Books/Penguin/Putnam) Jon's next Lawson Vampire novel will be out in Spring 2011 from St. Martin's Press.
As a producer, Jon has formed New Ronin Entertainment with longtime friend Jaime Hassett to create television and feature film projects in the New England area. Their first project is THE FIXER, a new supernatural action series based on Jon's Lawson Vampire novels. Filming of the pilot begins in September 2009.
As a ninja, Jon has studied authentic Bujinkan Budo Taijutsu/Ninjutsu for almost twenty years under Mark Davis of the Boston Martial Arts Center. He has also trained with senior Bujinkan instructors both in the United States and Japan. During a trip to Japan in February 2003, Jon earned his 5th degree black belt directly from the 34th Grandmaster of Togakure-ryu Ninjutsu, Masaaki Hatsumi. In addition to traditional training, Jon has also taught defensive tactics to a wide range of clients, including civilian crime watch groups, police and EMS first responders, military units, and federal organizations including the US Department of State, the Department of Justice, and the Bureau of Prisons.
In his past, Jon served with the United States Air Force, worked for the US government, and handled executive protection for a variety of Fortune 500 clients.