Arvind Agarwal is a Distinguished University Professor in the Department of Mechanical and Materials Engineering at Florida International University (FIU), Miami, FL, USA. He obtained his Ph.D. in Materials Science and Engineering from the University of Tennessee at Knoxville. After obtaining his Ph.D., he worked as a Materials Scientist at Plasma Processes Inc. Huntsville, AL, for three years. He joined the FIU Department of Mechanical and Materials Engineering as an Assistant Professor in November 2002. His current research interests include cold spray and WAAM-based additive manufacturing, nanotube-reinforced composites and coatings, nanomechanics and nanotribology, nanomechanics of biological cells, and spark plasma sintering. He has published more than 450 technical articles and is an inventor of 28 patents. Dr. Agarwal is an elected Fellow of the AAAS, American Ceramic Society, ASM International, and National Academy of Inventors.