Charles Sirois, CM CQ (born May 22, 1954) is a Canadian businessman. He is the founder, controlling shareholder, chairman and CEO of Telesystem Ltd., a Canadian private equity firm. Effective from March 1, 2017, he has been the CEO and chairman of OnMobile Global Ltd, India In 2011, he co-founded (with François Legault) a social and economic liberal centre-right political party, Coalition Avenir Québec.