He recorded all drums and keyboards on the 2001 album "人 [Hitori]" by Ōzoko Makoto in Okinawa, Japan and vocals, keyboards and percussion on "Starless" on the 2010 album "One More Red Nightmare" a tribute to King Crimson by The Great Deceivers and other artists, produced by Gunther Lorz in Germany. 

Dennis plays bass, drums, keyboards and guitar with the "Late Night Live" progressive music tribute bands associated with Cruise To The Edge and also the "Prog On The Ranch" music festivals. 

His musical influences are mainly progressive rock and all things related to his mentor, John Wetton. Dennis is a 22-year US Air Force veteran and currently working for the National Aeronautics and Space Administration at the Jet Propulsion Laboratory. 

Dennis is married to Edie, also a US Air Force 22-year veteran and they live near Pasadena, CA with their dog, Faith and cat, Autumn.