Erdinç Tekeli was born in Akhisar in 1947. He graduated from Ankara University Faculty of Law in 1992. Since 1993, he has been working as an attorney as a member of Izmir Bar Association.

During his career, he provided consultancy service to unions and companies in Labour and Social Security Law and he specialized in this field. He continues to work in Labour and Social Security Law. He is also called as an expert related to his area from the Courts of Izmir.

Between the years 1971-1979, Erdinç Tekeli was a member of administrative board and Izmir Branch Presidency in Petkim-Business Association.