Dr. Sirias has a Master’s degree in Industrial and Systems Engineering and a Ph.D. in Business Administration. He is also a certified Critical Chain Project Manager and a certified TOCICO thinking process implementer. Dr. Sirias created the Problem Solving Maps methodology to teach mathematics which is currently being used in several countries to improve student's performance. He is also the co-author of the book "Smash the Bottleneck: Fixing Patient Flow for Better Care." This book lays out a concrete methodology for getting to the root of patient-flow problems and addressing them—quickly using the principles of the Theory of Constraints.