Dr S Poornachandra is currently principal of Dhaanish Ahmed College of Engineering, Chennai. He has more than 19 years of teaching and research experience in various leading institution in India such as NMAM institute of Technology, Mangalore University, SRM Engineering College, Chennai, Sri Venkateswara College of Engineering, Chennai, SSN College of Engineering, Chennai and RMD Engineering College, Chennai. He has guided more than 20 projects for UG and PG students. He has published more than 12 research papers in leading international and national journals and more than 14 research papers in leading international and national conferences. He has published more than 10 text book in the field of Electronic Laboratory, Electron devices, Electronic Circuits, Signals & Systems, Digital Signal Processing, Digital Computer Fundamentals etc.