Liberty Specialty Markets Named Underwriting Manager
The insurer appointed Tressie Norton to lead its UK and MENA supercoverholders strategy.
Updated on Sept. 21, 2026 in People
Liberty Specialty Markets has appointed Tressie Norton as the new underwriting manager for supercoverholders in the UK and MENA region. Based in London, Norton will oversee strategic partnerships while expanding the firm's financial lines and transactional risk capabilities.
Why it matters
The appointment signals a focus on strengthening delegated authority practices through experienced leadership in claims and litigation. By leveraging Norton's background, the firm aims to refine its underwriting operations for international markets.
The appointment follows Norton’s tenure of 17 years at Chubb and prior experience at AIG. She now takes responsibility for the firm’s supercoverholders underwriting across the UK and MENA markets.
The players
Tressie Norton
The new supercoverholders underwriting manager for the UK and MENA region with extensive background in claims and litigation.
Stephen Tompson
The head of supercoverholders in the delegated authority practice at Liberty Specialty Markets to whom Norton reports.
Liberty Specialty Markets
A global specialty insurer and reinsurance provider that operates as a business unit of Liberty Mutual Insurance.
The details
Norton will manage the firm's delegated authority practice, working directly under Stephen Tompson. Her role focuses on the operational oversight of strategic partnerships and the technical development of transactional risk and financial lines products. Her expertise in litigation and claims management is expected to inform the firm's approach to risk assessment in these specific segments.
Timeline
September 21, 2026: The appointment of Tressie Norton was officially announced.
Market Landscape
This leadership change follows the broader industry trend of prioritizing experienced technical oversight in the London Market’s delegated underwriting authority sector. The move mirrors a shift toward centralized management as firms scale their specialized insurance capabilities globally.
Operators in the insurance and risk management space should monitor how the firm’s transactional risk offerings evolve under this new leadership. Evaluate whether existing partnerships in the UK and MENA require updated underwriting alignment to match the firm's strategic goals.
The takeaway
The appointment underscores the value of cross-industry litigation experience when managing complex delegated underwriting portfolios. Review your own firm's internal leadership alignment against upcoming growth objectives in financial and transactional risk sectors.
Further reading
For broader trends in industry executive shifts, see our coverage of People.
