Answer
From 1994 to 2000, Yıldırım served as the chairman of the Istanbul Fast Ferries Company. During his time as chairman, Yıldırım oversaw the expansion of the company's fleet and the development of new routes. He also played a key role in the company's acquisition of several other ferry companies. Yıldırım's tenure as chairman was a period of significant growth and development for the Istanbul Fast Ferries Company.