Ayhan Esi was born in Istanbul, Turkey, on March 5, 1965. Ayhan
Esi got his B.Sc. from Inonu University in 1987 and M. Sc. and Ph.D.
degree in pure mathematics from Elazig University, Turkey in 1990
and 1995, respectively. His research interests include Summability
Theory, Sequences and Series in Analysis and Functional Analysis.
In 2000, Esi was appointed to Education Faculty in Gaziantep University.
In 2002, Esi was appointed as the head of Department of
Mathematics in Science and Art Faculty in Adiyaman of the Inonu
University. In 2006, Esi joined the Department of Mathematics of Adiyaman University. He is married and has 2 children.