MSIG USA Taps Liberty Mutual Executive to Lead E&S Property Push
Event summary
- MSIG USA appoints Oscar Aguilar as head of excess and surplus property on September 29, 2026.
- Aguilar brings 20+ years of underwriting experience, most recently as senior VP at Liberty Mutual.
- He will focus on disciplined underwriting, portfolio performance, and sustainable growth in E&S property.
- Aguilar's career spans roles at Ironshore, Brit Insurance, and Maiden Reinsurance.
- MSIG USA is a subsidiary of MS&AD Insurance Group, one of the world's top P&C carriers.
The big picture
MSIG USA's appointment of Aguilar underscores its push to strengthen its excess and surplus property offerings amid a competitive landscape. The move comes as insurers increasingly focus on complex commercial risks and the need for differentiated underwriting capabilities. With a 350-year heritage and global reach, MSIG USA aims to leverage Aguilar's deep market relationships and technical expertise to expand its platform for brokers and clients.
What we're watching
- Market Differentiation
- How Aguilar's expertise will help MSIG USA stand out in the competitive E&S property market.
- Portfolio Growth
- Whether MSIG USA can achieve sustainable growth while maintaining disciplined underwriting standards.
- Technological Integration
- The pace at which MSIG USA incorporates data and technology into its E&S property business.