Şener was born in Yıldızeli, Sivas in Turkey. He graduated from the School of Political Sciences at Ankara University. He earned his PhD degree from Gazi University in Ankara. He lectured on finance at Gazi University and Hacettepe University, before he served as a controller in the Department of Revenues within the Ministry of Finance.
Şener entered politics and was elected 1991 deputy of Sivas Province from the Welfare Party. was co-founder of the Justice and Development Party (AKP) in 2001. He was elected to the Grand National Assembly of Turkey as deputy of Sivas Province.
He did not run for a seat in the parliament in the 2007 general elections again. After leaving the AKP, he formed a new party.