Mr. Durham joined the Tsakos Group in 1999 and has served, since 2000, as the Chief Financial Officer of Tsakos Energy Navigation Ltd., a New York Stock Exchange listed tanker operator based in Athens. Mr. Durham is a Chartered Accountant of England & Wales. From 1989 through 1998, Mr. Durham was employed in Athens with the Latsis Group, a shipping, refinery and banking enterprise, becoming Financial Director of Shipping in 1995. From 1983 to 1989, Mr. Durham was employed by RJR Nabisco Corporation, serving as audit manager for Europe, Asia and Africa until 1986 and then as financial controller of one of their United Kingdom food divisions.

Mr. Durham worked with public accounting firms Ernst & Young (London and Paris) from 1972 to 1979 and Deloitte & Touche (Chicago and Athens) from 1979 to 1983. Mr. Durham was born in England of Anglo-Greek parentage. He is a graduate in economics of the University of Exeter, England.