NEW YORK–(BUSINESS WIRE)–Oliver Wyman, a global leader in management consulting and a Marsh business (NYSE:MRSH), today announced the appointment of Birgit Boykin as Chief People Officer of Oliver Wyman and Marsh Management Consulting, effective October 1, 2026. Boykin joined Oliver Wyman in 2025 as Chief People Officer for the Americas. In this role, she supported the region’s commercial growth agenda, strengthened performance management and helped build the leadership capabilities of Oliver