Henry Z. Kister is a Senior Fellow and director of fractionation technology at Fluor Corporation. He has 30 years of experience in troubleshooting, revamping, field consulting, design, control, and startup of fractionation processes and equipment. Previously, he was Brown & Root's staff consultant on fractionation and also worked for ICI Australia and Fractionation research, Inc. (FRI). He is the author of the textbooks Distillation Design and Distillation Operation, as well as 80 published technical articles, and has taught the IChemE-sponsored "Practical Distillation Technology" Course more than 260 times. A recipient of Chemical Engineering magazine 2002 award for personal achievement in chemical engineering, and of the technology, Kister obtained his BE and ME degrees from the University of NSW in Australia. he is a Fellow of IChyemE, a Member of the AICHE, and serves on the FRI Technical Advisory and Design Practices Committees.