Peter Alexander Singer, OC, FRSC, is adjunct professor of medicine at University of Toronto.

From 2008-2018 Singer was chief executive officer of Grand Challenges Canada[1] and Director of the Sandra Rotman Centre, University Health Network.

[2] From 1996-2006 Singer was director of the University of Toronto Joint Centre for Bioethics.

He was formerspecial advisor to the director general of the World Health Organization,[2] He co-authored, along with Abdallah Daar, The Grandest Challenge: Taking Life-Saving Science from Lab to Village.Singer has published over 600 research articles, received over $50 million in research grants, and mentored hundreds of university students.

[2] He has served his community as Board Chair of Branksome Hall, an internationally minded school for girls.