Founding partner of TAV Airports, he served as a member of Board of Directors, President and CEO between 1997-2022.

He was awarded an Honorary Doctorate in engineering from KTU for “his invaluable contributions to the development of Turkish engineering at the international level”, as well as an Honorary Doctorate in Business Administration from the New Hampshire University “for his accomplishments in project and risk management throughout his tenure at TAV”.

Sani Şener managed and led many development projects ranging from dam construction to housing complexes; from hospitals, universities, airports, highways, trade centers, tunnels to power plants in Turkey and abroad since 1979.

[citation needed] M. Sani Şener is best known for his leadership in design, construction, financing and operation of the Istanbul Atatürk Airport’s international terminal building and its side facilities project in 1997.

In the voting carried out by Thomson Extel among national and international finance corporations, he was chosen first in the category of “The Best CEO” in Turkey in 2010, 2011, 2014, 2015 and 2016, and third in the European Transport Sector in 2014.