BARRY M. GRANGER

Corporate Board Profile

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BLACK HILLS CORP /SD/

Filing Date Source Excerpt
2021-03-18 Mr. Granger has been leading B3 Technology Investments, a start-up Private Equity firm, for the past three years. Prior to this role, Mr. Granger had a 35-year career at the DuPont and Dow Chemical Companies.
2023-03-15 Mr. Granger’s leadership roles in the areas of governmental affairs and operations offer the Board insight regarding oversight of operations, regulatory affairs, and safety.
2024-03-15 Mr. Granger has over 40 years of experience in the chemical and industrial markets. He is the Managing Partner of Vonbar Investments LLC. He held leadership roles at DuPont as Vice President of Government Marketing and Government Affairs and Vice President and General Manager at Tyvek®.

Data sourced from SEC filings. Last updated: 2026-02-03