Neil Fleming, senior principal for infrastructure and natural resources for the Europe, the Middle East and Africa, left Ontario Teachers' Pension Plan, Toronto, said a spokesman at the C$189.5 billion ($148 billion) plan.
The spokesman declined to comment about a replacement and reasons for Mr. Fleming's departure.
Mr. Fleming was based in London since May 2015, where he was responsible for infrastructure and natural resources investments. Prior to that he was a portfolio manager for infrastructure at OTPP in Toronto.