Mgr. Th.C.M. Hoogenboom was born on 27 August 1960 in Oudewater. He studied law at the University of Utrecht. After graduation he served two years in the army as a reserve officer cadet. Subsequently he worked as an academic researcher on constitutional and public administrative law with a special focus on the status of human rights.
Through his volunteering activities in the parish of St. John the Baptist, Montfoort, and his studies of theology he decided to pursue his vocation at the Ariënskonvikt Seminary of the Utrecht diocese. He graduated in theology at the Theological Faculty of Utrecht on the subject of moral theology.
After finishing an internship at the Eemland hospital, Amersfoort, he was asked by the bishop to study canon law at the Gregoriana, Rome. During this time he was ordained priest (25 September 1999).
On returning from Rome in 2001, Mgr Hoogenboom become vice-principal at the Ariënskonvikt Seminary and judge of the ecclesiastical court of the Archdiocese of Utrecht. In 2008 he became vicar-general of the archdiocese and subsequently provost of the metropolitan chapter. He was ordained Bishop of Bistue and appointed Auxiliary Bishop of the Archdiocese of Utrecht on 13 January 2010.
Mgr. Th.C.M. Hoogenboom has been a Member of COMECE since 2011