Donald John Trump Jr. was born on December 31, 1977, in New York City. The oldest child of real estate mogul and eventual U.S. President Donald Trump and his first wife, Ivana, he spent much of his time with his maternal grandparents instead of his busy parents, spending summers with them in Czechoslovakia. As an Executive Vice President at The Trump Organization, Donald Jr. works to expand the company’s real estate, retail, commercial, hotel and golf interests. Donald Jr. received his Bachelor’s degree in Finance and Real Estate from the Wharton School of Finance at the University of Pennsylvania. Donald John Trump Jr. biography and profile.