Erdal Dumanli studied at Tarsus American College Secondary School, he continued his education at Kabataş High School for Boys. Erdal Dumanlı, who graduated from Marmara University Sultanahmet Academy of Economics and Commercial Sciences, Department of Foreign Trade and Marketing, started his career in 1967 at Koç Holding Ford Group. In 1980, Erdal Dumanlı was appointed as the General Manager of Temel GmbH, the foreign trade company established by Koç Group in Frankfurt, Germany, and took over the management of Günsu A.Ş. in 1983. Erdal Dumanlı, who served as the General Manager and Board Member of both companies for 10 years, chose to set up his own business as a Tofaş dealer after this period. Erdal Dumanlı, who has been a Tofaş dealer for many years, has ended his active business life.
Founding Trustee of Kabataş High School Education Foundation, Founding President of Kabataş People's Association, Founding President of Kabataş People's Association from BJK, President of Kabataş High School Educational Foundation, Founding Trustee of BJK-Kabataş Education Foundation and Kemer Country, Kemer A.Ş. Erdal Dumanlı, who is the Chairman of the Board of Directors, also served as the Istanbul Provincial 2nd Presidency for two terms in the Motherland Party and the media advisor of the Chairman