Metin Çelik is the President of PTI, Inc., USA, and an Adjunct Professor at UNM-USA. He holds a BS degree from Turkey and a PhD from the UK, with a diverse professional background at Novartis-Switzerland, Novartis-Turkey, and SKF Laboratories-USA. Dr. Çelik's academic journey includes roles at Rutgers-USA, NEU-Cyprus, and EMU-Cyprus. Notably, he established the first two Compaction Simulator Systems in the USA, bridging industry and academia. With numerous publications, including books and chapters, he has made about 275 presentations and organized over fifty national and international symposia and courses. Dr. Çelik's consultancy extends to the FDA and over fifty global companies in pharmaceuticals, nutraceuticals, and more. As a founder and past chair of Excipients and Expert Systems Focus Groups, he has contributed significantly to AAPS, and continues editorial roles in pharmaceutical journals. His achievements have earned him a place in "Who is who in science and engineering (1995)."