Aon Appointed Leonora Siccardi to New Executive Role
The professional services firm named Siccardi as its global chief execution officer.
Updated on Oct. 13, 2026 in People
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Aon has appointed Leonora Siccardi to the newly created position of global chief execution officer. She will coordinate operations across the company's human capital and risk capital business units.
Why it matters
The firm established this role to streamline collaboration and accelerate the adoption of new capabilities across its core business segments. By centralizing these functions, the company aims to better integrate strategy and operations on a global scale.
Aon created one new global chief execution officer role to oversee risk and human capital business units. This appointment follows Siccardi's recognition as a 2018 Business Insurance Women to Watch honoree.
The players
Leonora Siccardi
She serves as the global chief execution officer at Aon and previously earned recognition as a 2018 Business Insurance Woman to Watch.
Aon
This is a professional services firm that provides global risk, retirement, and health solutions to businesses.
The details
In her new capacity, Siccardi will work alongside regional and global leadership teams to harmonize strategies across business units. She will continue to serve as the chief claims officer for reinsurance solutions and as the global head of client solutions for risk capital.
Timeline
October 13, 2026: Aon announced the appointment of Leonora Siccardi.
2018: Leonora Siccardi was named a Business Insurance Woman to Watch.
Market Landscape
The creation of this role signals a push toward operational integration, a trend seen across major professional services firms aiming to break down internal silos. This strategy helps firms align specialized service lines under unified leadership to maintain a competitive edge in global markets.
For clients, this structural change is intended to create more cohesive service delivery across the firm's risk and human capital offerings. While the transition occurs internally, stakeholders should expect increased alignment in how the firm coordinates its global resources.
The takeaway
This executive appointment highlights the growing importance of operational execution roles in managing complex global business units. Leaders at large firms are increasingly focusing on internal alignment to ensure that specialized services are delivered consistently across international markets.
Further reading
Learn more about organizational leadership changes in the People section.
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