Born 1942 in Denizli, Samim Sivri got his degree in Business Administration from Izmir Faculty of Economy, Department of Business Administration in 1965. After his military service, he was occupied in trading Steel and Iron products in the city of Karabük. After 1972, he worked for steel and iron trading companies in Izmir and later, from 1983 to 2005, he was one of the founding partners of Izmir Steel and Iron Industries Co and also a Member and the President of its Board of Directors. He founded and managed several companies involved in the production of construction industry products. While still working for these companies, in 1995, he became a member of the Board of Directors of Kipa Co. as one of the founding partners. In 2004, he became a founding member of Private Kent Hospital where he acted as a member of the board of directors for many years. He is the Founding Member and Member of the Board of Directors of Enda Energy Co. (est. 1993) and Egenda Co (est. 1997). Sivri acted as the President of the Board of Directors of these companies between 2010-2015.
He has also personally played a role in the foundation of various NGOs (like ESIAD and EGEV) and acted as director.
Since 2015 he acts as Deputy President of the Board of Directors at Enda Energy Holding and Egenda Energy Co.
He is one of the founders of TARKEM Historic Kemeraltı Co. He resigned from his position as Chairman of the Board of Directors of this company in 2020. He is also the Deputy Chairman of the Board of the Izmir Urban Values Protection and Development Association.