David Cottle has worked in tertiary education at Charles Sturt University, Lincoln University, New Zealand, and the University of New South Wales. He was a Division Manager at the Wool Research Organisation of New Zealand from 1998 to 2003. He returned to Australia in 2003 to take up the Chair of Sheep and Wool Science at the University of New England and was the Education Program Leader in the Sheep CRC until 2007, Associate Dean Teaching and Learning from 2006 to 2008 and Deputy Chair of Academic Board from 2008 to 2010. His research interests include feed use efficiency in grazing sheep and cattle. He is working with Proway Livestock and Sapien Technology to develop multi-bin feed systems that control and record individual animal supplement intakes and can be used to estimate pasture intake.