Based in Fort Lauderdale, Florida, David D'Addario established the investment and management company DADA Holdings, LLC, in 2001. As the company’s chairman and chief executive officer, David D'Addario engages in a range of control investment activities. He also oversees numerous businesses across a range of sectors.

David D'Addario brings nearly four decades of industrial business leadership experience to his position at DADA Holdings. He balances his responsibilities at DADA Holdings with his position as the chairman and principal of ElementUS Minerals, LLC, a venture designed to collect valuable rare earth elements and minerals from bauxite residue harvested at the Noranda alumina refinery in Gramercy, Louisiana. He is also the chairman and chief executive officer of NICHE European Holdings, as well as the subsidiaries NICHE Fused Magnesia and NICHE Fused Alumina.

Mr. D'Addario studied at Yale University as an undergraduate. When he is not managing his leadership roles at DADA, ElementUS, and NICHE, he engages in philanthropy. His charity work includes supporting community and youth programming.