John was born on March 31, 1966 in San Diego, CA to William and Regina (Presy) Mazur. He attended Madison High School and was employed by Expericon Construction both in San Diego. He was a long resident of San Diego and Whitefish, Montana.
John was preceded in death by his father, William, and his mother, Regina. He is survived by his son Hans, his brother Bill, nephew Joe, and niece Jessie.
John's memorial celebration will be held on Saturday July 13th, from 4:00 PM to 9:00 PM at the Coronado Brewing Company (1205 Knoxville St, San Diego). Through the coordination of Van Smith of Expericon Construction, Coronado Brewing Company has graciously offered to provide food, beer and venue in loving memory of John.