Politician, deputy. He was born on June 1, 1964 in Gole, Ardahan. He completed his primary and secondary education in Ardahan. He graduated from Kars Alpaslan High School in 1981. He participated in the activities of youth of Republican People's Party when he was at high school. Although he had a chance to attend Ataturk University, Faculty of Literature; he could not continue with his higher education due to some reasons. He moved to Istanbul with his family because of socio-economic reasons. He started to work as a waiter in Kadıkoy in 1981. His political life was interrupted in September 12. He has re-entered politics in 1984 within the Social Democracy Party. He completed his military service between 1986 and 1987. He continued with his political life in Social Democrat Populist Party, which was the continuation of SODEP. He was involved in commerce.
He was elected as Kadıkoy Municipality Council Member from SHP in 1989 local elections. Gürsel Tekin was re-elected in 1994 local elections; and when SHP and RPP were integrated in 1995, he continued his duty within the RPP. He was re-elected into the municipality council membership in 1999 and 2004 local elections; and continued as the Deputy Kadıkoy Mayor in 1997. He has also become Istanbul Metropolitan Municipality Council Member in 2004 local elections. He was the RPP Istanbul vice provincial president between the years 2002 and 2005. He was appointed as RPP Istanbul province Chairman on August 14, 2007 replacing the resigned Şinasi Öktem, and with the decision of Central executive Committee of the party. He worked together with Kemal Kılıçdaroğlu during his campaign for Istanbul Metropolitan Municipality Mayorship in 2009 local elections. He was re-elected as Istanbul Metropolitan Municipality Committee member from Kadıkoy in 2009 local elections. He was elected as Central executive Board member of RPP on August 4, 2010 with 48 votes.
Gürsel Tekin is 24th term Istanbul deputy. He was the Vice Chairman responsible from Communication, Promotion and Media; and he became the RPP General Secretary on May 8, 2014. He is married and father of three sons.