Complex sentence: David M. Fergusson is a professor of psychology at the University of Otago in Christchurch New Zealand and the founding director of the Christchurch Health and Development Study, a birth cohort of 1265 children born in the Christchurch region in 1977.
Split into simpler sentences: David M. Fergusson is a professor of psychology at the University of Otago in Christchurch New Zealand. He is the founding director of the Christchurch Health and Development Study, a study following a birth cohort of 1265 children born in the Christchurch region in 1977.