(born July 3, 1954) is a Canadian businessman in his hometown of Montreal.
He is the eldest son of Paul Desmarais Sr.
and Jacqueline (Maranger) Desmarais.
Currently he is the Chairman and Co-Chief Executive Officer of Power Corporation of Canada
.
Desmarais was born in Sudbury, Ontario.
He was educated at Lakefield College School in Lakefield, Ontario, McGill University in Montreal, Quebec, and at INSEAD in Fontainebleau, France, where he earned a Master of Business Administration.