Wherever he has taught, Rad de Peiza has been a leader in providing enriched mathematics programs for students. He established mathematics leagues and camps in Scarborough, and has long been involved with the Canadian Mathematics Competition as a marker, problems creator, and as a tutor and lecturer at the contest seminars.
Rad grew up in Trinidad and attended the University of the West Indies before starting his teaching career on the island. He later attended the University of Toronto and became a teacher in the Toronto area, first at East York C.I. and then at Wexford C.I. in Scarborough, where he was the department head. Rad has been a course director for the teacher’s Honours Specialist course at York University, and is currently head of mathematics at Upper Canada College in Toronto. He is the co-author of a textbook on Finite Mathematics and is often asked to speak on creative problem solving.
Rad has a large personal library, and is particularly interested in tropical plants.