John Williams, PE, is a practicing engineer in the process industries with a 30+ year background in project development, cost estimating and financial analysis. His deep experience spans the chemical, metals, refining, biotech and pharmaceutical industries. In his engineering practice, he specializes in conceptualization, technical and economic analysis, process optimization, plant design and plant retrofits.
A global DDoS attack has been intermittently affecting many websites globally. You may not have a problem accessing AIChE's sites, but in case you do, please contact Customer Service during normal business hours.