Sir Christopher Anthony Hohn KCMG (born October 1966) is a British billionaire hedge fund manager. In 2003, Hohn established The Children's Investment Fund Management (TCI), a prominent value-based hedge fund. Profits generated by the fund were proportionately allocated to The Children's Investment Fund Foundation, a registered charity in England and Wales that focuses on improving the lives of children living in poverty in developing countries. He is known as an activist investor.