Donald Weeren was born in London, England. He received his Bachelor of Arts from the University of Montreal in 1957, and began teaching English, Latin and Speech at Loyola High in Montreal, P.Q. In 1960, Weeren received his Master of Science in Education from Fordham University at New York City, New York and the following year he worked as an instructor in education at Syracuse University at Syracuse, New York. Weeren was hired as a lecturer in Education at Saint Mary's University in Halifax, Nova Scotia from 1962 to 1965, at which time he was promoted to the position of Associate Professor of Education. From 1964 to 1968 and again in 1992 to 1993, he was the Acting Dean of Education, and was Dean of Education from 1971 to 1976. In addition, Weeren sat on the Academic Senate from 1964 to 1969 and 1973 to 1975. He served on various committees, such as the Senate Quality of Teaching committee, and the Senate Scholarship committee. In 1995 Weeren was promoted from Associate Professor to Professor of Education, a position which he held until his retirement in 1996.