Board of Directors

Michael R. Boyce
Chairman of PQ Corporation, a global specialty chemical and catalyst company, Malvern, Pennsylvania
Randall S. Dearth
Chairman, President and Chief Executive Officer, Calgon Carbon Corporation, a global manufacturer of activated carbon and innovative treatment systems, Pittsburgh, Pennsylvania
Joaquin Delgado
Executive Vice President, Consumer Business Group, 3M Company, a global diversified technology company, St. Paul, Minnesota
Gregory E. Lawton
Former President and Chief Executive Officer, JohnsonDiversey, Inc., a leading global provider of cleaning and hygiene solutions to the institutional and industrial marketplace, Sturtevant, Wisconsin
Jan Stern Reed
Former Senior Vice President, General Counsel and Corporate Secretary, Walgreens Boots Alliance, Inc., a global pharmacy-led, health and wellbeing enterprise, Deerfield, Illinois
F. Quinn Stepan
Former Chairman
F. Quinn Stepan, Jr.
Chairman, President and Chief Executive Officer
Edward J. Wehmer
President and Chief Executive Officer, Wintrust Financial Corporation, a financial services company, Rosemont, Illinois