John Paul DeJoria, the co-founder of Paul Mitchell hair products. From developing the Tea Tree products line in conjunction with American Forests — a nonprofit group devoted to preserving and growing trees — to starting the first hair company that did not test on animals, DeJoria promotes social and environmental issues while running a successful business. John Paul DeJoria, the co-founder of Paul Mitchell hair products. From developing the Tea Tree products line in conjunction with American Forests — a nonprofit group devoted to preserving and growing trees — to starting the first hair company that did not test on animals, DeJoria promotes social and environmental issues while running a successful business.