Canada's Competition Commissioner, Melanie Aitken, is leaving her position early.Canada's Competition Commissioner, Melanie Aitken, is leaving her position early. (Competition Bureau)

Competition Commissioner Melanie Aitken is stepping down from her job before the end of her five-year term.

Aitken was appointed in 2009 but will step down on Sept. 21.

Reasons for her departure were not immediately available.

Before joining the federal regulator, Aitken was a commercial litigation partner at law firm Bennett Jones LLP.

Aitken has been credited with pushing the Competition Bureau to take on an more active role in protecting consumers.