Tania Singer is Director of the Department of Social Science at the Max Planck Institute for Human Cognitive and Brain Sciences in Leipzig.

Matthieu Ricard is a Buddhist monk, humanitarian, writer, photographer, doctor in cellular genetics, and the French interpreter for the Dalai Lama. All of his royalties are donated to Karuna-Shechen, the humanitarian association he created twenty-two years ago, which benefits more than 450,000 underprivileged people every year in India, Nepal, and Tibet.

Kate Karius serves to make the world a healthier, more beautiful place by supporting luminaries and mission-driven organizations in bringing their messages out into the world.