Donald John Trump, Jr. Was Born on the 31St December 1977 in Manhattan, New York City Usa, of Part-Czech Descent, and Is a Businessman Who He Rose to Fame and Fortune Partly Because of His Family Relations – His Father Is the Real Estate Developer, Business Tycoon and Since 20 January 2017 the President of the United States, Donald Trump Senior. Donald Junior. Alongside His Brother Eric and His Sister Ivanka, Hold the Positions of Executive Vice-Presidents in the Limited Liability Conglomerate the Trump Organization, Where He Is Often Referred to as Don Jr. He Is Also an Ambassador for the Non-Profit Medical Service Organization Operation Smile.