Muhammad Zahid Qureshi, PhD is a Professor of Biochemistry in Qassim University, Saudi Arabia. He received his PhD from Quaid-i-Azam University Islamabad and post-doctorate from Brunel University, London. He has notable contributions in Biochemistry and Molecular Biology. He has authored/co-authored many articles in international Journals and has published seven chapters. His research is focused on molecular cancer and nanotechnology.