John O. LarsenManually reviewed
Jul 2019 — Jan 2024(4y 6mo)
John O. Larsen was appointed President and Chief Executive Officer of Alliant Energy Corporation, effective July 1, 2019, succeeding Patricia L. Kampling.
John O. Larsen resigned as Chief Executive Officer of Alliant Energy Corporation, effective January 1, 2024, and was elected Executive Chairman.
3 source filings — click to expand