Peter Blom became executive director of Triodos Bank in 1989, where he had worked since its foundation in 1980. In 1997 he became CEO and chair of the Executive Board until May 2021. Together with Klaas van Egmond and Herman Wijffels, he was one of the founders of SFL. Currently, he is co-chair of SFL. He is also founder of the Global Alliance for Banking on Values (GABV.org) in 2009 and the Chair of the board until March 2021. He has been a member of the Supervisory Board of DNB and is chairman of the CPC (CPB Supervisory Body; CPB is the independent Bureau for Policy Analysis of the Netherlands). He is also a member and director of the Club of Rome. Since 1 October 2024 he is the chair of the Climate Commitment of the Dutch Financial sector.