On field from 1985 – 2023, nearly 40 years officiating, starting in the SFV Unit where he served as Unit Instructor, Board Member and President. Worked the Big West Conference in 2000 as Field Judge/Side Judge before moving to the Pac-10/12 in 2002 — Side Judge from 2002 to 2013, Field Judge from 2014 to 2023. Over 17 bowl and championship assignments including the 2006 BCS National Championship (Fiesta Bowl), two CFP Semi-Finals (2016 Fiesta, 2021 Cotton), and three Pac-12 Championship Games in 2012, 2020 and 2022. Also worked the East/West Shrine Game, Liberty, Music City, Independence, Camping World, Pinstripe and Tax Slayer Bowls. Long time contributor, mentor and instructor.