Loretta Graziano Breuning, Ph.D.

Loretta Graziano Breuning, Ph.D., is a Docent at the Oakland Zoo, where she leads tours on mammalian social behavior. She’s Professor Emerita of International Management at California State University, East Bay. She worked in Africa as a United Nations Volunteer and began studying the mammalian social brain after lecturing worldwide on bribery prevention. She's the author of Meet Your Happy Chemicals; I, Mammal: Why Your Brain Links Status and Happiness; and Greaseless: How to Thrive without Bribes in Developing Countries. Her websites are full of good information on these subjects.