Henry Z. Kister is a Fluor Corporation senior fellow and director of fractionation technology. He has over 40 years expertise in all phases of distillation, including troubleshooting, operation, debottlenecking, design, start-up, and control of fractionation processes and equipment. For over 30 years, Mr. Kister has led the IChemE-sponsored 3-day continuing education course Practical Distillation Technology, by now presented over 550 times in public and for major corporations in 26 countries on all 6 continents.