Derya Bayrak possesses extensive experience in the construction industry, holding key positions in project management and cost control. Currently serving as the Cost Control & Planning Chief at LİMAK Construction Company within Limak Group of Companies, Derya has also excelled as Technical Office Chief at SİLAHTAROGLU Construction Company at Sabiha Gökçen Airport. Additionally, Derya has played critical roles in the 1915 Çanakkale Bridge project, first as Senior Subcontract Engineer and later as Subcontract Chief in the DLSY Joint Venture. Prior experience includes serving as Technical Office Chief at MAKYOL Construction Company, also at Sabiha Gökçen Airport.