A high-profile Conservative Senator is retiring from the upper chamber effective in June 2014.
Hugh Segal says he is going to become master of the University of Toronto's Massey College.
Segal was at odds with his party this year over its decision to push through legislation suspending three senators at the heart of the expense scandal without pay.
There has been speculation he would depart, though in a statement released Thursday he praised Prime Minister Stephen Harper for his ``support and counsel'' during his time in the Senate.
Segal was appointed to the Senate in 2005 by Liberal Prime Minister Paul Martin, but had a long career as a backroom power in federal and Ontario politics.
Segal served as chief of staff to Brian Mulroney and there was an effort in 1993 to draft him to run in the leadership race to succeed the prime minister.
In 1998 Segal did seek the leadership of the then Progressive Conservative party and finished second to Joe Clark.
Segal also held a senior position in the office of former Ontario premier Bill Davis.
"As a proponent of senate reform I have spoken in favour of term limits as a feasible start to this process,'' Segal said in a statement issued Thursday night.
"Late 2014 would mark my ninth year in the senate and the time is right for new challenges.''
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