JOHN GOODRICH is the Chief Scientist of Panthera, the global wild cat conservation organization. A preeminent tiger biologist, Goodrich has 30 years of experience in the conservation of Siberian tigers, snow leopards, Amur leopards, Eurasian lynx, bears, and other carnivores. In Russia, Goodrich directed the world’s longest-running radio telemetry tiger research effort. Learn more at panthera.org.