Fr Gesing was born in Südlohn, Germany, on 13 August 1962. He began his novitiate at Jünkerath in 1982 and made his perpetual profession in the same place on 15 August 1989. He was ordained at Benediktbeuern on 28 June 1992.
He was a member of the House Council in Velbert, 1992-1995, and then Master of Novices in Jünkerath for ten years, from 1995 to 2005. In that year he was sent to Benediktbeurn, where he was a Council Member (2006-2015) and later Rector.
Fr Gesing was Provincial Councillor and Delegate for Formation in the Province of North Germany, until 2005; and later in the new Province of Germany - the result of unification of North Germany with Southern Germany. In addition he was also Delegate for the Salesian Family, a position he still holds.
Since 2011 he has also been Vice-Provincial.
In addition to German, Fr Gessing also knows English and Italian. He will succeed Fr Josef Grünner. His inauguration is scheduled for 15 August 2017.