美国废物管理公司（WM）：2023年年度报告（英文版）

Ms. Kathleen M. Mazzarella’s service as Non-Executive Chair of the Board began in May 2023, following the retirement of Mr. Thomas H. Weidemeyer. The Board elected Ms. Mazzarella to serve as Non-Executive Chair of the Board due to her extensive leadership experience, expertise in Board governance, and deep understanding of our Company and our strategic vision. Ms. Mazzarella presides over all meetings of the Board, including executive sessions that only nonemployee directors attend. The Non-Exec