WORCESTER, Mass., Aug. 7, 2025 /PRNewswire/ -- The Hanover Insurance Group, Inc. (NYSE: THG) announced today the appointment of Toni E. Mitchell to president of its technology and life sciences business, reinforcing the company's commitment to innovation, underwriting excellence, and operational agility in a rapidly evolving industry. Toni E. Mitchell In this role, Toni will lead efforts to expand The Hanover's market presence, achieve strategic and disciplined growth, and deliver unique, tailored solu ...