After completing his high school education, he graduated from Bahcesehir University Faculty of Law. He studied in the United States in the first year of the university in the field of English and basic legal education. After his academic education abroad, he returned to Turkey and continued his studies in the field of law. Since the first year of his university education, he had the opportunity to work actively in the fields of Administrative Law, Execution and Bankruptcy Law, and Law of Contracts and gained experience in Turkey’s most successful law firms. Not limited to these, Aygün, who gained experience working in the most successful law firms of New York (USA) during the summers, has also proven his international competence by completing his legal internship in a reputable Turkish law firm.

Abdullah Celalettin AYGÜN is the founding partner of A.K.A Law Firm. As a founding partner, he brought the law firm, which was founded in 1989, with long years of litigation experience and knowledge, to a different point in the international community in Istanbul, and transformed it into the current state of A.K.A Law Firm. He provides consultancy to the domestic and foreign clients, provides legal support in merger, spin-off and restructuring projects, and helps them negotiate and implement. He provides strategic consultancy services to foreign companies investing in Turkey and Turkish companies with foreign investments, including the stages of dispute. He is a respected lawyer representing domestic and foreign clients in commercial disputes, and he mainly undertakes legal disputes in the fields of commercial law, law of obligations, civil law, labor law, enforcement and bankruptcy law in the field of private law.

He is the Founding Attorney of A.K.A Law Firm, which is frequently mentioned due to his works in the national and international arena, and continued to be mentioned frequently in the media due to his success in representing his clients. He still continues his academic studies in the fields of Banking, Capital Markets and Commercial Law, which he specializes in, at Bahçeşehir University.

Aygün has a good command of English and continues to work as a lawyer registered at the Istanbul Bar Association.