![](https://theclimateregistry.org/wp-content/uploads/2022/09/board-4.jpg.webp)
CATHY S. WOOLLUMS
Treasurer/Secretary
After serving as the senior vice president, Chief Sustainability Officer, Cathy retired in 2023 from Berkshire Hathaway Energy with 33 years of service in various senior- and executive-level legal, environmental and sustainability roles. Cathy served several terms on the Iowa State Bar Association’s Environmental and Natural Resources Section Council, served on the Iowa Climate Change Advisory Council, and served as chair of the Berkshire Hathaway Sustainability Council. Currently, Cathy serves as a consultant to Berkshire Hathaway Inc. on sustainability matters; prior to joining Berkshire Hathaway Energy, she was a litigation attorney in private practice and served as a judicial clerk for the Seventh Judicial District of Iowa.