Aad Ruygt is a seasoned professional with extensive experience in the chemical and manufacturing industries, currently serving as a Sustainable Productivity Leader at Westlake since February 2022. Previous roles include Global Productivity Leader and Site Leader at Hexion Inc. from April 2017 to January 2022, and Project Development Manager at Hexion Specialty Chemicals from January 2010 to March 2017. Aad Ruygt founded Ruygt Consultancy, providing consulting services from March 2007 to February 2010. Notable earlier positions include Owner and Manager at Hosteria Los Fuegos Argentina, Business Service Manager at Resolution Performance Products, and various managerial roles at Shell, culminating in a tenure as Global Process Advisor for Epoxy Resins. Aad Ruygt holds a degree in Chemical Engineering from Delft University of Technology and a Post-Doc in Business Marketing from Eindhoven University of Technology.