Don Schmierer has been active in interpersonal ministry and counseling for four decades. While serving in the Navy in 1958, he joined the staff of The Navigators, which involved military and campus outreach. He founded "His Servants" in 1983, continuing his work among students, business professionals, and church leaders. He and his wife have also helped operate several Christian addiction recovery programs. Don and Diana have been married for 40 years. Their philanthropic work includes property and project management. They live on a farm in Northern California.