Demir is professor, Izmir Institute of Technology, in Izmir, Turkey. After obtaining his PhD in 1995 at the Middle East Technical University, Turkey, he has worked as a research associate at the University of Pennsylvania (1996-97), ICTP (1998-2000) and TPI, Minnesota (2000–03). He has given notable contributions to physics of Higgs bosons, flavor violation and extra forces, all in supersymmetric models with explicit CP violation. His contributions also include non-topological solitons, cosmological constant problem, cosmic inflation, and Higgs-gravity connection. His research is theoretical and phenomenological. He was Turkey’s national representative in CERN’s Strategy Council Meeting in 2006. He has received awards by a number of national institutions. He is the first Turkish-citizen researcher to win the Alexander von Humboldt Foundation Friedrich Wilhelm Bessel Research Award (2006).