He is the founder, CEO and President of Crytek, one of the largest video game developers in Germany.
After Crysis 2 received some criticism from many PC gamers because of the apparent design sacrifices made due to the limitations of the older console hardware, Crytek CEO Cevat Yerli stated that the PC version of Crysis 3 will figuratively "melt down PCs" due to its highest image quality system requirements.
While Crytek planned to bid for Vigil due to its past work, owner Cevat Yerli ultimately decided not to because he felt that their current projects would not fit with the company's strategy.