Aon Appointed Denise Perlman to Reinsurance Leadership Role

The firm named its former North American middle-market CEO to a new executive managing director position.

Updated on Oct. 7, 2026 in Insurance

Isometric editorial illustration of a modern glass and steel architectural facade representing corporate structure.
Aon has appointed Denise Perlman as executive managing director and middle-market segment leader for its reinsurance business, effective immediately. AI Illustration. Upload story photo >

Aon has named Denise Perlman as the executive managing director and middle-market segment leader for its reinsurance business. Perlman previously served as the firm's North American middle-market CEO and joined the company in 2025.

Why it matters

This appointment follows a broader reorganization of Aon's middle-market business that took place in August 2026. The move aims to strengthen the company's growth and distribution strategies while supporting client engagement in the reinsurance sector.

Aon's growth strategy includes the $17 billion planned acquisition of USI Insurance Services and the completed $13 billion purchase of NFP in 2024. The firm's middle-market operations were previously reorganized in August 2026.

The players

Aon

Aon is a leading global professional services firm that provides a range of risk, retirement, and health solutions.

Denise Perlman

Denise Perlman is a recognized industry leader who was named a 2025 Business Insurance Women to Watch winner.

USI Insurance Services

USI Insurance Services is an insurance brokerage and consulting firm that Aon plans to acquire for $17 billion.

NFP

NFP is a property and casualty broker, benefits consultant, and wealth manager acquired by Aon in 2024.

The details

In her new role, Perlman will lead client engagement efforts and coordinate with middle-market insurers on distribution and growth strategies. She will concurrently maintain her responsibilities overseeing the integration process for the company's acquisition of USI Insurance Services.

Timeline

  1. Aon acquired NFP for $13 billion in 2024.

  2. Denise Perlman joined Aon in 2025.

  3. Aon reorganized its middle-market business in August 2026.

  4. Aon named Denise Perlman to her new role on October 7, 2026.

Market Dynamics

This leadership appointment follows the pattern established by the 2024 Aon acquisition of NFP by leveraging proven internal talent to integrate large-scale corporate expansions. The shift reflects Aon's focus on consolidating its middle-market footprint amid rapid acquisition-led growth.

Retail and institutional investors should monitor how the integration of the $17 billion USI acquisition impacts Aon's balance sheet and operational efficiency. The stability of middle-market distribution strategies remains a key metric for long-term growth expectations.

The takeaway

Aon's move to place an experienced executive in charge of its middle-market reinsurance segment highlights the company's reliance on internal leadership to steer major acquisitions. Clients and stakeholders should expect a sustained focus on growth strategy as the firm integrates its recent high-value purchases.

Further reading

For more on industry leadership changes, visit the Insurance section.