Les Rengstorff grew up in West Frankfort, Illinois. He graduated from Milligan College in east Tennessee with degrees in Bible and Business Administration. He was ordained at the First Christian Church in West Frankfort. From East Tennessee he moved to Los Angeles, California where he applied for a temporary 3 month job with IBM while he was serving at the Alvarado Christian Church in Los Angeles. Thirty years later he retired from IBM in Atlanta, Ga. He then joined up with Habitat for Humanity where he volunteered in cities throughout the middle and eastern U.S. He has served as a minister at Anchor Christian Church in Bonita Springs, FL, SonRise Christian Church in Naples, FL. In1995, he was a part of a team helping to establish Christian Churches in Russia. For the past 17 years he has served as Executive Minister at the Naples Christian Church in Naples, FL. During the time, at Naples Christian, he also served as Middle School Youth Leader for several years.