After More Than 35 Years, Peter Jemison Announces His Retirement as Ganondagan State Historic Site Manager By Amy Blum | February 04, 2022 Victor, NY—Since 1985, when he was chosen as the very first Ganondagan State Historic Site Manager, Peter Jemison (Seneca, Heron Clan) has been the visionary of Ganondagan, locally, regionally, nationally and globally. […]