Alex Caballero attended the Jim Evans Professional Umpire Academy in 2001 and the International Umpire Camp in 2002. His experience and accomplishments include:
Jim Evans High Honor Student 2001
International Umpire School Atlanta High Honor Student 2002
Semi-Pro Baseball in the Puerto Rico League from 2002 thru 2019.
Puerto Rico Winter League from 2001 to 2018,
Atlantic League from 2005 to 2007,
Winter League 2002 to 2007
Central American Games in 2010,
Mayaguez Pre-Mundial 2010
Big League World Series in 2010.
Director of Operations Puerto Rico Umpire Academy Carribean Classic 2007-2008