1965
Earns a Bachelor of Arts in philosophy and Greek from Calvin College.
1968
Earns a Bachelor of Divinity in theology from the Calvin Theological Seminary.
1968
Becomes an ordained minister by the Christian Reformed Church in North America.
1968
Enters the military as an Army chaplain for the U.S. Army until 2002.
1978
Achieves a Master of Arts in education from the Teacher’s College at Columbia University.
1979
Obtains a Master of Theology from the New York Theological Seminary.
2000
Is a military advisor to the Ambassador for International Religious Freedom with the U.S. Department of State until 2002.
2001
Receives a Distinguished Alumnus Award from Calvin College.
2002
Is the director of Chaplaincy and Care Ministries of the Christian Reformed Church until 2010; Commences his retirement from U.S. Army Chaplaincy.
2002
Is a consultant and writer for the Calvin Institute of Christian Worship, PTSD/Moral Injury until 2017.
2003
Receives a Distinguished Alumnus Award from Calvin Theological Seminary.
2009
Is a member of Posttraumatic Stress Disorder (PTSD) Treatment of Grand Rapids, MI until 2012.
2010
Is the first military chaplain to receive a Distinguished Service Award from the Association of Professional Chaplains.
2011
Serves as president of the United States Army Chaplain Corps Regimental Association in Springfield, MO until his death.
2012
Receives a David E. White Leadership Award.
2012
Is co-director of the Moral Injury and Soul Repair Project and the Soul Repair Center at the Brite Divinity School at Texas Christian Univ. until 2014.
2015
Receives a Soul Repair Award from Volunteers of America.
2016
Is a national chaplain for the Military Order of the Purple Heart until the time of his death.
2017
Holds a Purple Heart, six Bronze Stars, one Bronze Star with a V Device, four Legions of Merit and a Superior Honor Award from the Dept. of State.
2017
Herman Keizer dies on December 22 and is later buried at Arlington National Cemetery.