Shiv Kumar is Ex. Associate Professor and HOD, College of GGSIP University, Delhi, India. He obtained his Bachelor’s degree in Mechanical Machine Design and Automation Engineering from NIT Jalandhar, Punjab, and Master’s degree in Thermal Engineering from Delhi College of Engineering (presently Delhi Technological University, Delhi). He has 18 years of teaching experience. He has authored several books in core subjects of mechanical engineering like heat and mass transfer, fluid systems, engineering graphics, thermal engineering, fluid mechanics and fluid machines, basics of mechanical engineering, and elements of mechanical engineering.