Mehmet started work career at his university years: In 1974, he worked for a local transport company as accountant for two years. During his graduate study in the US, he was teaching assistant at the University of North Texas.

Mehmet's corporate work career began in 1982 at ARAMCO (Arabian American Oil Co.) where he was employed in the manpower and training department. After coming back home in 1987, he took various responsibilities at major corporations in finance and mostly in human resources functions. Starting from first to last, Ciba-Geigy (now as known as Novartis), Pepsi-Cola International, Philip Morris and Coca-Cola. Mehmet assumed a regional responsibility role covering several Middle Eastern countrires in Pepsi. He was involved in start ups, mergers, acquisitions and numerous human resources projects in organizational development. He left Coca-Cola in March of 2001 and began doing consulting work in management and human resources. Since then, Mehmet has personally led more than twenty major consultancy projects. He also teaches "Human Resources Management" course at Bilgi University, MBA program.