Bijan O. Aalami, Ph.D., M.ASCE, is Professor Emeritus of San Francisco State University, Life Member of the Post-Tensioning Institute, Chartered Engineer, and a Principal of ADAPT Corporation – a structural engineering firm in California specializing in design of concrete structures, and providing design software for concrete consulting firms. He has been actively engaged in the design and construction of numerous concrete buildings, bridges and special structures, in particular post-tensioning. A renowned world leader and teacher in the design of concrete buildings, bridges and special structures, through his worldwide educational seminars in over 20 countries, Aalami has enriched the practice of many engineers in North and Latin America, Far East, Europe and Middle East. His extensive publications on concrete design, in particular post-tensioning, are the principal resource for practical design of conventionally reinforced or post-tensioned floor systems and bridges. Aalami has been the project leader of the software suite ADAPT that is serving concrete design engineers in over 70 countries worldwide.