John served at the Kaladar Detachment before retiring as a Constable from Napanee Detachment on March 31, 2007. John served on the OPP Association Board of Directors in 1990 & 1991. John was also the #9 Branch President from 1999 to 2003. John is survived by his wife Brenda and his children John Jr., Tony, and Krista. Brother Mike Dennis is an OPP Retired Sergeant, from HQ Central Region.