Markel International appoints Collin Sim as first Casualty Underwriter in Singapore
1. Markel Insurance appoints Collin Sim as Casualty Underwriter in Singapore. 2. Sim will develop casualty presence in Southeast Asia and build client relationships. 3. She has over 20 years of casualty underwriting experience across Asia. 4. Sim's role supports Markel's strategic expansion in the Asia Pacific region. 5. Her track record in profitable portfolio development is highly regarded.