Alan Gabelman, PhD, P.E., is President of Gabelman Process Solutions, LLC (Website: www.gabelmanps.com; Email: alan.gabelman@gabelmanps.com; Phone: (513) 919-6797), offering consulting services in process engineering. His 40 years of experience involve numerous separation processes and other engineering unit operations, equipment selection, sizing and design, process simulation, P&ID development, and process economics. He holds BS, MChE, and PhD degrees in chemical engineering from Cornell Univ., the Univ. of Delaware, and the Univ. of Cincinnati, respectively. He is a licensed Professional Engineer in the state of Delaware, as well as an adjunct instructor in chemical engineering at the Univ. of Cincinnati. Gabelman has edited a book on bioprocess flavor production, and he has authored several technical articles and a book chapter.