Joel A. Tickner, ScD leads the Sustainable Chemistry Catalyst at the Lowell Center for Sustainable Production, UMass Lowell which works on research, analysis, and strategy to make chemistry safer for people and the planet. His research focuses on the development of innovative scientific methods, policies, and practices to accelerate the design and application of safer products and manufacturing processes. His research has led to the establishment and growth of the field of chemical alternatives assessment, the process of comparing alternatives for chemicals of concern. He is the founding Executive Director of the Association for the Advancement of Alternatives Assessment, a professional association. Tickner also founded the Green Chemistry and Commerce Council (GC3), a powerful network of more than 100 companies, bringing together the entire value chain from chemical producers to major brands and retailers to accelerate the commercialization, adoption, and scale of green chemistry solutions. Tickner is a Professor of Environmental Health at the University of Massachusetts-Lowell and until recently was Co-Director of the Massachusetts Toxics Use Reduction Institute.