John C. Kornblum

John Christian Kornblum (February 6, 1943 – December 21, 2023) was an American diplomat and businessman. He entered the American Foreign Service in 1964. Over the next 35 years, he served at the State Department in Washington D.C. and in Europe, eventually becoming Ambassador to Germany. From 2001 onward, he established himself as an investment banker and international business consultant.

Kornblum was considered a leading expert on transatlantic economic and political affairs and on the evolving role of the Atlantic community in a multipolar world. He lectured and wrote widely in both German and English and was known especially for his press and television commentaries on the implications of globalization on both sides of the Atlantic.