Ms. Barber has served as Vice President of Tax, Controller and Chief Accounting Officer (principal accounting officer) of DuPont since the completion of the Electronics separation on November 1, 2025. She joined DuPont in June 2024 and served as the Project Management Leader (initially as an independent contractor and subsequently as an employee) for the separation of the Electronics business and subsequently the separation of the Aramids business.
Since March 2023, Ms. Barber has also served as an Adjunct Professor of Law at Villanova University Charles Widger School of Law Graduate Tax Program. Prior to joining DuPont, she held a series of senior leadership roles at CBRE Group, Inc. from December 2016 to December 2022, including Deputy CFO, Chief Accounting & Tax Officer and Treasurer, Chief Tax & Treasury Officer and Chief Tax Officer. Before joining CBRE, she held a series of leadership roles at Tyco International Plc from December 2004 to December 2016, including Senior Vice President and Chief Tax Officer. Prior to joining Tyco, Ms. Barber was a partner at KPMG and Arthur Andersen, with 16 years of experience serving multinational clients across a broad range of industries.