Net Worth : $3 billion Chris Hohn is founder, managing partner and portfolio manager of The Children's Investment Fund Management, a U.K.-based global investment firm. TCI is a value-based, fundamental investment manager with a concentrated portfolio aiming to bring a long-term, owner-oriented philosophy to public markets. TCI may use activism to enhance value as appropriate.Based in London, Hohn has more than 20 years of experience in the investment industry and has managed equity portfolios for over 15 years.

Humanitarian

Over 800 million children are at risk of infection from parasitic worms known as soil-transmitted helminths. India - world's largest health intervention in one day (270 million children across 29 states and 7 union territory Ethiopia - 17 million children treated in Nov 2015 and Apr 2016 Kenya - By year three of the programme, the proportion of Kenyan children infected with intestinal worms went from 33% to 16%, infection went from 19% to 6% immediately after the round of deworming in year two.