Rajiv Asthana, Ph.D., FASM, is Fulton and Edna Holtby Endowed Chair in manufacturing at the University of Wisconsin-Stout where he teaches in the manufacturing engineering program. He is Editor of Journal of Materials Engineering & Performance and on the editorial boards of Ceramics International and Materials Science and Engineering A. He has authored or coauthored five books, including Materials Science in Manufacturing (Elsevier) and 160 scientific publications, and co-edited Ceramic Integration and Joining Technologies (Wiley). His research interests include ceramic/metal joining, high-temperature capillarity and cast metal-matrix composites.Dr. Ashok Kumar is currently working as an Associate Professor in the Department of Biochemistry of All India Institute of Medical Sciences Bhopal. His current research interest is understanding the role of non-coding RNAs and sphingosine-1-phosphate signaling in Head and Neck Cancer. He received his PhD degree from Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS) Lucknow, India. Then, he received postdoctoral training from UCSFBenioff's Children's Hospital Oakland & Research Centre, Oakland, CA, USA. Dr. Ashok Kumar's major area of research work are Cell & Molecular Biology, Cancer Biology, Immunology & Sphingolipid signaling. He has more than 15 years of research experience. He has published more than 50 research articles and 10 book chapters and he has edited two books. He is a member of several international professional societies including American Association of Cancer Research and Fellow of Royal Society of Biology