Complex sentence: O'Leary was President of the Wellington Law Society 1921-22, and the New Zealand Law Society 1935-46, and on the Victoria University College Council and the University of New Zealand Senate.
Split into simpler sentences: O'Leary was President of the Wellington Law Society 1921-22, and the New Zealand Law Society, 1935-46. He was on the Victoria University College Council and the University of New Zealand Senate.