Petra Nemcova
Model Petra Nemcova was vacationing with her fiancé in Khao Lak, when the Thailand coast was struck by a tsunami in 2004. She was able to survive after holding onto a palm tree, but her fiancé died. Nemcova created the Happy Hearts Fund to aid children after natural disasters. The organization has rebuilt 72 schools and is active in seven countries since 2005.