Yaşar Arslan graduated from Istanbul Technical University, Faculty of Metallurgy. Arslan served as the Operations Manager at EMAŞ A.Ş. between 1985-1987. He held management positions at Al-Fahd Company in Saudi Arabia for five years. After returning to Turkey, Arslan served in various management positions at İGDAŞ Istanbul Natural Gas Project for five years.

Arslan continued his career as Project Manager at Vinsan in 1996, and undertook responsibility for important projects such as İzmit Natural Gas Project, İzmit Environmental Integrated Project and Marmaris Environmental Integrated Projects. He joined Aksa Natural Gas in 2004 as General Coordinator and Vice Chairman of the Board of Directors, and was appointed as the Chairman of Aksa Natural Gas Distribution and Trade Group in 2010.

Arslan continues his duty as the Chairman of the Board of Directors of 21 natural gas distribution and natural gas wholesale companies within Kazancı Holding, and also serves as the Vice Chairman of the Board of Directors at two electricity distribution companies. As of November 2024, he was appointed as a member of the Kazancı Holding Board of Directors.

Arslan, who was among the founders of the Turkish Natural Gas Distributors Association (GAZBİR), served as Secretary General for three terms and has been the President of GAZBİR for four terms, also continues to serve as the Vice President of the Natural Gas Assembly of the Union of Chambers and Commodity Exchanges of Turkey (TOBB). He also served as the Vice President of the Electricity Distribution Services Association (Elder) and the Vice President of the Energy Efficiency Association for two consecutive terms.