Petrasuk graduated from the University of Alberta with a Bachelor of Science in engineering before being hired by the city of Maracaibo, Venezuela as the head of planning, development, and management of the city's utility system. He later returned to Canada and graduated from the University of British Columbia with a law degree in 1958.
Petrasuk earned a Bachelor of Science in engineering from the University of Alberta before being hired by the city of Maracaibo, Venezuela to lead its utility system's planning, development, and management. He later returned to Canada and received a law degree from the University of British Columbia in 1958.