Srinivas R. Chakravarthy retired from Kettering University in Michigan after serving as Professor of Mathematics, Professor and Head of Industrial and Manufacturing Engineering was a professor of Industrial Engineering at Kettering University in Michigan. He was bestowed Distinguished Faculty (Kettering's Faculty and Alumni Honor Wall) award in 2015. He obtained his PhD under the supervision of Professor Marcel Neuts and is the co-founder of the International Conference Series on Matrix-analytic methods (MAMs) in Stochastic Models. His research interests are in queues, inventory and reliability. Recently, he published a 2-volume book dealing with MAMs suitable for masters and doctorate students. Also, this 2-volume book is accessible for researchers interested to get into this fertile area of research and applications of MAMs to other fields.