Shaun Sinniah Will Lead Liberty Mutual Capital Solutions

Liberty Mutual Insurance announced that Shaun Sinniah will head its capital solutions division starting this September.

Updated on Sept. 24, 2026 in People

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Liberty Mutual Insurance has appointed industry veteran Shaun Sinniah to lead its capital solutions division, effective September 30, 2026. AI Illustration. Upload story photo >

Liberty Mutual Insurance has appointed industry veteran Shaun Sinniah to serve as head of capital solutions within its global risk solutions unit. Sinniah will officially begin the new role on September 30, 2026, reporting directly to the division president.

Why it matters

The appointment is designed to better align the company's risk and capital capabilities. By bringing in a leader with extensive reinsurance experience, the firm aims to strengthen its global risk solutions strategy.

Shaun Sinniah previously held the position of president of reinsurance and capital at Miller until May 2026. He brings experience from his tenure in senior leadership roles at Guy Carpenter and Willis Re.

The players

Shaun Sinniah

He is the incoming head of capital solutions at Liberty Mutual Insurance who previously worked at Miller, Guy Carpenter, and Willis Re.

Matthew Moore

He is the president of global risk solutions at Liberty Mutual Insurance to whom the new head of capital solutions will report.

Liberty Mutual Insurance

This is a diversified global insurer that offers a wide range of insurance products and services.

The details

Shaun Sinniah will join the global risk solutions team to oversee initiatives that integrate capital and risk management functions. He will work under the leadership of Matthew Moore, who currently serves as president of global risk solutions.

Timeline

  1. Shaun Sinniah left his position at Miller in May 2026.

  2. Liberty Mutual announced the appointment on September 24, 2026.

  3. Shaun Sinniah will begin his new role on September 30, 2026.

Market Landscape

This move reflects a broader trend of insurance firms consolidating capital and risk expertise to remain competitive in global markets. The appointment positions the company to better leverage its risk solutions by bridging the gap between traditional insurance underwriting and capital market strategies.

Clients and partners of Liberty Mutual can expect a unified approach to risk and capital management as the new leadership takes over. This executive change signals a continued focus on streamlining services for those seeking complex risk solutions.

The takeaway

The move underscores the growing importance of merging capital market insights with traditional insurance underwriting in the corporate sector. As firms continue to align these functions, industry experts will be watching to see how this approach affects long-term service delivery.

Further reading

Learn more about organizational changes and industry shifts within the People section.