Career
He served as leader of the British Columbia Conservative Party from 1969 to 1971. De Wolf was a special adviser to the Canadian finance minister and then worked as a journalist in the field of finance and economics. He was elected to the Conservative party leadership in June 1969.
De Wolf was defeated by Derrill Warren in a convention held in November 1971.
After losing the party leadership, he worked as a consultant and also was a policy adviser to the provincial government. De Wolf died at Saint Paul"s Hospital in Vancouver in 2003.