Nepomuceno joined United States Bowling Congress in 2007 as an International Ambassador to help promote the sport of bowling. In the same year he began aiming to become a USBC certified coach and started training to become a USBC Coaching Level I and Bronze and Silver level Instructor. He hosted seminars discussing coaching and the sport itself. He underwent training the International Training and Research Center in Arlington, Texas, to attain a USBC gold level coaching certification, which he earned by 2013. He received the certification at the World Coaching conference at the USBC headquarters the following year. He is the first and only Asian to attain the certification.
