John Matthis is the director of global business development for Calgon Carbon Corporation. He spearheads the Calgon Carbon PFAS task force and has contributed to the book Perfluoroalkyl Substances in the Environment Theory, Practice, and Innovation, 2018. He has conducted more than 10 webinars on PFAS treatment with activated carbon and has spoken at NEWMOA PFAS Technical Workshop (2017), the 33rd International Conference on Solid Waste Technology and Management (2018), and the International Water Conference (2021). Matthis earned his double BS in Chemistry and Mathematics from Duquesne University, his MBA from the University of Pittsburgh, and his MS in Chemical Engineering from the University of Pittsburgh.