Crown Castle International Corp. announced that Catherine Piche has been appointed to succeed Robert C. Ackerman as Executive Vice President and Chief Operating Officer–Towers, effective September 1, 2021. Mr. Ackerman plans to retire following a 50-year career that included 23 years in various senior leadership roles at Crown Castle, and he has agreed to remain with Crown Castle in an advisory capacity until February 2022 to assist with various matters, including the transition of his successor. Ms. Piche joined Crown Castle in 2011 and has served in a variety of leadership roles, including most recently as Senior Vice President–Project Delivery, Design & Construction for Crown Castle’s Fiber business. Previously, Ms. Piche served as Vice President–Project Delivery, and led multiple regions within Crown Castle’s Tower organization as Area President. Prior to joining Crown Castle, Ms. Piche held various leadership positions at American Tower Corporation and served in numerous site development roles at Sprint Corporation and AT&T Wireless.