Suresh Kumar Srivastava is founder of online learning site CourseGalaxy.com. He is author of popular books C In Depth, Data Structures Through C In Depth that helped 250,000+ students. He has 20+ years experience in industry and worked on architecture and design of multiple products. He has worked on Compilers, Linker, Debugger, IDE, System Utilities, System Management and Telecom/Mobile/Systems tools development.