Dr. Md Zaheer Ansari is currently working as a Post Doctoral Fellow (PDF) in the International School of Photonics, Cochin University of Science and Technology, Kochi - 682 022, India. He received his M.Phil and Ph.D degrees in Applied Physics (with specialization in Laser Speckle Imaging) from the Department of Applied Physics, Indian Institute of Technology (Indian School of Mines), Dhanbad. He has specialized in Optical imaging techniques and its applications in biology & medicine. His research interests include Laser speckle imaging. Dynamic Laser Speckle and Biospeckle, Optical image processing. He has published 28 research papers in journals of international repute. He is serving as the Editorial board member of several scientific journals as well as Reviewer of different International Journals of repute.