Roger started training in 1996 at Bujinkan Purdue Dojo. In 2002, Roger began training at the Muzosa Bujinkan Dojo of New York City under Jeff Christian, 15th dan, and Rob Flanagan, 10th dan. He has traveled to Japan several times to train with Grandmaster Masaaki Hatsumi and his senior students. Roger became a shidoshi in August, 2006, and was promoted to hachidan in November, 2009.