Chris Hohn, founder of TCI Fund Management, has built one of the most consistently exceptional return records in institutional investing through an approach that uniquely combines long-term fundamental value investing with highly targeted activist engagement. His philosophy draws directly from the Warren Buffett school: identify exceptional businesses with durable competitive advantages, buy them at reasonable valuations, and support management improvements that compound returns over decades. What distinguishes Hohn is the sophistication and discipline of his activism. Rather than pursuing adversarial short-term campaigns, TCI takes large, long-term positions in infrastructure and transportation businesses — railways, airports, toll roads — and then engages constructively with management on capital allocation, cost efficiency, and strategic direction. His campaign at Canadian National Railway and his engagement with Deutsche Börse are landmark examples of patient capital driving substantial shareholder value creation without public conflict. Hohn has also become one of the most influential voices on climate risk in institutional investing. TCI has committed to reducing the carbon intensity of its portfolio and has been a leading proponent of corporate climate disclosure and accountability, arguing that climate risk is not a separate ethical consideration but a material financial risk that affects long-term business value. His fund donates 0.5% of assets annually to charitable causes through The Children's Investment Fund Foundation (CIFF), one of the world's largest charitable foundations. Hohn's philosophy demonstrates that patient, engaged capital — deployed in businesses with genuine competitive advantages and managed for the long term — generates returns that short-term trading cannot replicate.