Dan Esterline, Sr. was born in Cambria, Michigan. He attended Moody Bible Institute, Grace College (Indiana) B.A. in Biblical Studies and N.T. Greek, Wheaton College Graduate School, M.A. (High Honors) in Christian Ministry, and Newburgh Theological Seminary, Ph.D. in Biblical Studies.
Dan has been a missionary in Ethiopia; Missionary-in-Resident, Calvary University; Chairperson of Christian Ministries Department, Washington Bible College; and instructor at Purdue University–Calumet.
Dan has pastored churches in Illinois, New York, Indiana, and Wisconsin. Prior to his retirement he was the Director of Human Development for Allied Health Chiropractic Centers and Assistant to the CEO. Currently he is semi-retired. He is an adjunct instructor at North Central Technical College, Wausau, Wisconsin and adjunct instructor at a missionary training college in Durame, Ethiopia.
Dan has been married for over fifty years to Grace. They have three children,
Dan Jr., Mark, and Kimberly. The Esterlines have three granddaughters and three step-granddaughters.