Mustafa Karaşahin has a BSc in civil engineering from Akdeniz University, MSc degree from Istanbul Technical University, and PhD degree from Nottingham University. He worked as research assistant at Akdeniz University and Süleyman Demirel University between 1986 and 1993. He worked as Assistant Professor, Associate Professor and Full-time professor at Suleyman Demirel University, Civil Engineering, between 1993 and 2010. He worked as full-time professor at Istanbul University, Civil Engineering Department, between 2010 and 2017. He worked as full-time professor at Istanbul Gelisim University, Civil Engineering Department between 2017 and 2026. He is still full time professor at Antalya Bilim University, Civil Engineering Department. He teaches Highway Engineering, Railway Engineering, Traffic Engineering, Sustainability in Civil Engineering, Neural Networks, Highway Design, Pavement Design, and Introduction to Civil Engineering courses.