Joseph W. Geisner is an independent Mormon researcher. He has published in the Journal of Mormon History, Sunstone, John Whitmer Historical Journal, Irreantum, and elsewhere. With Lavina Fielding Anderson, he created the chronologies found in Confessions of a Mormon Historian: The Diaries of Leonard J. Arrington, 1971-1997. In April 2020 his edited work was released by Signature Books, Writing Mormon History: Historians and Their Books. He served three years on the board of directors for the John Whitmer Historical Association. He lives in Northern California, where he provides residential services for people with developmental disabilities.