SPOKANE, Wash., Aug. 26, 2024 (GLOBE NEWSWIRE) -- Avista Corp. (NYSE: AVA) Chief Executive Officer Dennis Vermillion announced to the company’s board of directors that he will retire from the company in the first quarter of 2025. Vermillion will transition his duties as CEO to Avista President and COO Heather Rosentrater, who was appointed to CEO by the company’s board of directors, effective January 1, 2025. As CEO, Rosentrater will retain the role of president. She has also been appointed to the board of ...