Cumhur Zeybek (born 1956, in İzmir) graduated from İstanbul Technical University Faculty in 1980 as a Naval Architect and Mechanical Engineer.
Started career at Atilla Doğan A.Ş. Aromatics Tanks Petkim in 1980.
Cofounded Ünka Ltd. on 1981.
Between 1983-1984, worked for Tekfen A.Ş. at Ceyhan Site on the Yumurtalık Kırıkkale Pipeline Project.
1984-1985, assigned as Site Chief by Gemsan A.Ş. to Aliağa Tüpraş Site.
1985-1986, worked as Coordinator at Tokay A.Ş. Urfa Cement Factory.
1987, he cofounded Havatek Makina Sanayi ve Ticaret A.Ş.
Mr. Zeybek is married and has a son.