F eridun Gecgel is a Turkish billionaire whose wealth is derived from his family's significant ownership stake in Akfen Holding, a major Turkish conglomerate. Akfen Holding has a diversified portfolio with primary interests in infrastructure, construction, and energy. The company has been a key player in some of Turkey's most significant development projects.

Akfen has been heavily involved in the development and operation of airports through its former stake in TAV Airports Holding, as well as seaports and power generation projects. Feridun Gecgel is a key member of the controlling family, and his fortune is tied to the success of this major industrial and infrastructure group. His role is primarily that of a major shareholder in the family's business empire.