Pastor Diego is the Senior Pastor of Abundant Living Family Church in Rancho Cucamonga, California. Pastor Diego, once an aspiring professional triathlete, became a Christian in 1978. In 1983 he submitted to the call of God and began attending Rhema Bible Training Center in Tulsa, Oklahoma. After graduating from Rhema, he served as the Assistant Pastor of Word Harvest Worship Church in Pomona, California, and continued for nine years. In December 1983, Pastor Diego married Cindy Smith. The couple have three sons—Nathan, Caleb, and Adam. In April 1994, Pastors Diego founded Abundant Living Family Church (ALFC). The church, which began in the couple's home in Fontana, California, and soon thereafter relocated to an elementary school cafeteria, started with 12 members and has increased considerably. The current average weekly attendance exceeds 6,000 people.