Nurul I Sarkar holds a PhD from the University of Auckland and is currently associate professor and leader of the Network and Security Research Group at the Auckland University of Technology, Auckland, New Zealand. He is a member of many professional organizations and societies. Dr Sarkar is a regularly invited keynote speaker, chair, and committee member for various national and international fora. He has published over 150 refereed articles and served on the editorial review boards of several prestigious journals. ?Improving the Performance of Wireless LANs: A Practical Guide,? his second book has been published by Taylor and Francis in January 2014. Dr. Sarkar is a senior member of IEEE.