He was born on July 24, 1966, in Istanbul. He completed his undergraduate degree in Finance Department of Istanbul University in 1987. In 1991, he received his master's degree from the Finance Department of Istanbul University. In 1998, he completed his Ph.D. in Public Finance at Istanbul University.
Göksel Aşan worked as a Research Assistant at Istanbul University between 1988 and 1998. In 1998, he became an Assistant Professor at İstanbul Bilgi University, Assoc. Prof. Dr. in 2008 and received his tenure in 2017.
After working many years at İstanbul Bilgi University in several different positions,, Göksel Aşan served as a Vice-Rector at İstanbul Aydın University between July 2018 and October 2018.
On October 16, 2018, he was appointed by President Erdoğan as Head of the Finance Office of Presidency of the Republic of Turkey.