Nestor Ceja

Nestor Narciso Ceja (born April 18, 1987) is a Mexican-American Major League Baseball umpire. He made his first appearance at the Major League level in 2020 and was promoted to the full time umpiring staff for the 2023 season.

He wears uniform number 33.

Career Ceja was introduced to professional baseball umpiring when he attended the 2012 MLB Umpire Camp in Compton, California. Marquez became a close friend and mentor to Ceja, who considers him to be "a big part of what [he is]". He was at home plate for game one of the series between the Atlanta Braves and the San Diego Padres. He attended John F. Kennedy High School before studying at Arizona State University.