Gintaras.V. (Rex) Reklaitis is Burton and Kathryn Gedge Distinguished Professor of Chemical Engineering at Purdue University (USA) with courtesy appointment in Industrial and Physical Pharmacy. He has served as Head of the School of Chemical Engineering and deputy director of the NSF Engineering Research Center on Structured Organic Particulate Systems.. His expertise lies in process systems engineering, the application of information and computing technologies to process and product design, process operations and supply chain management. Current research interests include applications of process systems methodology to improve pharmaceutical product design, development, manufacture and delivery. Active projects involve Industry 4.0 implications for small molecule drug substance and product manufacture. He was educated at the Illinois Institute of Technology (BS ChE), and received MS and PhD degrees from Stanford University. He is a member of the US National Academy of Engineering, fellow of AIChE, and past Editor-in-Chief of Computers & Chemical Engineering. Among the recognitions he has received are the Warren K Lewis and Van Antwerpen Awards of AIChE , the Pruitt Award (CCR), the Long Term Achievements in Computer Aided Process Engineering Award of the European Federation of ChE and the 2017 John M Prausnitz AIChE Institute Lecturer. He has served on the Board of Directors of AICHE, the Council for Chemical Research and the CACHE Corporation and continues to serve on the editorial boards of several journals. He has published over 300 papers and book chapters and edited/authored nine books.