Ambassador Davidow served both in Washington D.C. and overseas. He was the U.S. ambassador to Zambia, Venezuela and Mexico, and the Assistant Secretary of State for the Western Hemisphere. His years in Mexico coincided with the advent of a functioning multiparty system. He wrote about his experiences there and the nature of the U.S.-Mexico relationship in The Bear and the Porcupine, the U.S. and Mexico which highlights the complex and often difficult interaction of the two countries. After leaving the Foreign Service, he served as President of the Institute of the Americas for eight years. He is currently a Senior Counselor of the Cohen Group, a consultancy involved in international business strategies, headed by former Secretary of Defense William Cohen.