Hometown: Dallas, Texas, USA
Judging Record: click
- June 13, 1998 - Stevie Johnston vs. Cesar Bazan (1st meeting) - Shellenberger, who was judging his first world title bout, was the only judge to rule in favor of Stevie Johnston who lost his WBC lightweight title via split decision. Omar Mintun 113-115, David Harris 113-115, Oren Shellenberger 116-112.
- Dec. 15, 2000 - Dingaan Thobela vs. Dave Hilton - Schellenberger was the only judge to rule in favor of Thobela who lost his WBC middleweight title via split decision. Julie Lederman 115-113, Barbara Perez 117-111, Shellenberger 113-115.
- Feb. 18, 2002 - Ricardo Medina vs. Gilberto Corrales - Schellenberger was the only judge to rule in favor of Corrales for the vacant NABF super bantamweight title. Glen Rick Crocker 117-111, Jesse Reyes 116-112, Oren Shellenberger 113-115.
- June 17, 2003 - Agustin Corpus vs. Kendrick Releford - Schellenberger was the only judge to score in favor of Releford who lost via split decision. Ray Hawkins 79-73, Arturo Velasquez 77-75, Oren Shellenberger 73-79.