Donald "Dee" Margo (born February 4, 1952) is an American businessman and politician who served as the 51st mayor of El Paso, Texas from 2017 to 2021.

He accepted a football scholarship to Vanderbilt University and graduated in 1974 with a degree in history and economics.

[1] Margo moved to El Paso in 1977 from Nashville, Tennessee to join his father-in-law's insurance business, John D. Williams Company.

In February 1981, six days after Margo’s 29th birthday, his father-in-law suffered a fatal heart attack.

[2] In 2005, Margo was named chairman of the Greater El Paso Chamber of Commerce and in 2012 sold his company to HUB International.