Complex sentence: After graduation Friendly jointed the Department of Psychology at the York University in Ontario, Canada, where he continued his research, was appointed Associate Professor and later on Professor of Psychology, and since 1985 also director of its Statistical Consulting Service.
Split into simpler sentences: After graduation Friendly jointed the Department of Psychology at the York University in Ontario, Canada, where he continued his research. At the York University he was appointed Associate Professor and later on Professor of Psychology, and since 1985 also director of its Statistical Consulting Service.