Yvonne Greenstreet

April 7, 2026 2025 Year in Review & Look Ahead: CEO Yvonne Greenstreet on a Transformational Year for Al ... Alnylam CEO Yvonne Greenstreet reflects on the company's accomplishments in 2025 and highlights of the 2025 annual report. Read More ›
October 28, 2021 Alnylam Names Dr. Yvonne Greenstreet New CEO Dr. Yvonne Greenstreet, currently Alnylam's President and COO, has been named Alnylam's new CEO effective year-end 2021, taking over from Dr. John Maraganore. Read More ›
August 6, 2020 Alnylam Promotes Dr. Yvonne Greenstreet to President & COO Dr. Yvonne Greenstreet, has been elevated to the role of President of Alnylam. She will retain her COO role as well. Read More ›