Gil was born to the late William L. And Emma Wiebe Busenitz in Newton, Kansas, on August 17, 1939. Gil graduated from high school at Berean Academy in Elbing, Kansas, in 1957.
He received a bachelor’s degree from Grace Bible Institute in 1962. He married Frances Louise Stucky on July 20, 1962. Together, they served with RHMA for 16 years in Washington, Illinois, and Arizona.
In 1978, they moved to Madison to work with Source of Light Ministries, where he served until his death. They attended Trinity Baptist Church in Madison. He enjoyed gardening, yardwork, and woodworking.
Gil is survived by his wife of 52 years, Fran Busenitz; a daughter, Janice (John) Connelly of Sierra Leone, Africa; sons, Paul (Stacy) Busenitz of Watkinsville, Pete (Suz) Busenitz of Bostwick, Phil (Tori) Busenitz of Centreville, VA; brothers, William (Grace) Busenitz, Arnold (Velma) Busenitz, and David (Isabelle) Busenitz; sisters, Helen Busenitz, Emma (Arlowe) Becker, Chris Busenitz, and Kady (Jan) Schubert; 12 grandchildren, and numerous nieces and nephews.
In addition to his parents, he is preceded in death by a sister, Theresa Ortmann, and brothers Robert Busenitz and Herbert Busenitz.