Prof. Dr. Namhyun Kang is a Professor at the School of Materials Science & Engineering, Pusan National University. He obtained his BE in Metallurgical Engineering at Pusan National University in 1995, his MS in Materials Science at Colorado School of Mines in 1997, and his PhD in Materials Science and Engineering at Pennsylvania State University in 2003. After completing his PhD, he worked as a Senior Scientist at the Korea Institute of Industrial Technology (KITECH) in 2003–2006. He then joined Pusan National University as a Professor in 2006. His research interests include hydrogen delayed fracture, alloy design of high strength ECO-steel, Pb-free micro-joining technology and electromigration prediction, alloy design of TLP bonding for power modules, welding metallurgy and 3D printing of steel and titanium, and the weldability of high entropy alloy.