American Chemistry Council Announces New Board Officers

WASHINGTON, DC (Nov. 5, 2025) - The American Chemistry Council (ACC) Board of Directors confirmed Peter Vanacker, CEO of LyondellBasell, as the new Chair of ACC's Board of Directors; and welcomed Denise Dignam, President & CEO of The Chemours Company, as ACC's Vice Chair of the Board and newest Officer. They will serve together with Chevron Phillips Chemical LP President and CEO, Steve Prusak, Chair of ACC's Executive Committee; and Erin Kane, President and CEO of AdvanSix, as Immediate Past Chair of the ACC Board of Directors. Their new terms start January 1, 2026.

"The chemical and plastics industry is the backbone of American innovation, economic strength, and global competitiveness," said ACC President and CEO, Chris Jahn. "Peter and Denise are two of our industry's most dedicated champions, and I'm thrilled that they've agreed to help ACC meet the challenges and opportunities that lie ahead. They will be instrumental in ensuring the U.S. chemical and plastics industry grows and thrives at a critical time for America's future. Their leadership will help drive science-based policies and regulations that foster innovation and help bring us closer to our vision of a world made better by chemistry."

"I am humbled to serve as Board Chair and advance the industry's most important priorities, including the strategic review of ACC's Responsible Care® program," said LyondellBasell's Vanacker. "At LyondellBasell, as with other ACC member companies, we are committed to demonstrating sustainable value creation through safe operations, innovative customer solutions and effective collaboration across the private and public sectors. Responsible Care is foundational to our success, and it will be a privilege to help shape it in a way that continues to elevate industry performance."

"As an avid evangelist for the criticality of chemistry, I'm looking forward to helping advocate for science- and risk-based policy that unlocks the power of chemistry in a responsible and safe way," said Denise Dignam. "By further advancing ACC's efforts to improve the U.S. Toxic Substances Control Act, I believe we can help usher in a chemical regulatory system that truly puts America First."

Learn more about ACC membership.