Before founding Madison Dearborn Partners (MDP), Mr Canning spent 24 years with First Chicago, including serving as executive vice president of The First National Bank of Chicago and president of First Chicago Venture Capital.

John Rowe, Exelon’s chairman, president and CEO, said: John brings a distinguished track record of thoughtful leadership and financial expertise to the board. We are pleased to have a seasoned executive of his caliber join us.