Whether harvesting venom from the fangs of a deadly Taipan in Australia, or vaccinating cheetahs against a disease that threatens to wipe out the entire population, Donald Schultz is fearless in his quest to ensure the survival of dozens of species across the globe. Tearing his way through unexplored jungles, and rappelling down sheer mountain cliffs, his work has the potential to uncover the blueprint for elusive antivenins or the DNA sequence of an entirely new species of wildlife.