Mehmet Irfan Yesilnacar earned his Bachelor of Science (BSc) in Geological Engineering from Akdeniz University in 1991, followed by a Master of Science (MSc) from Suleyman Demirel University in 1995, and a Doctor of Philosophy (PhD) from Cukurova University in 2000. He began his career as an engineer at the 16th Regional Directorate of State Hydraulic Works (1991-1993) before moving to Harran University in 1993. At Harran University, he advanced through the academic ranks, becoming an Assistant Professor in 2003, an Associate Professor in 2008, and a Professor in 2013. During this period, he also conducted postdoctoral research at Middle East Technical University (METU) from 2006 to 2007. His primary research interests include environmental geology, medical geology, hazardous waste site selection, solid waste management, groundwater quality and control, and environmental sustainability.