Aon Created Global Chief Execution Officer Role
The firm appointed Leonora Siccardi to coordinate strategy across its primary risk and human capital business units.
Updated on Oct. 13, 2026 in People

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Aon has appointed Leonora Siccardi to the newly created role of global chief execution officer to oversee operations across its risk and human capital divisions. She will continue her existing duties as the company's chief claims officer and global head of client solutions for risk capital.
Why it matters
This executive move signals a shift toward centralized operational oversight as the firm looks to accelerate collaboration between its distinct business units. The creation of this role aims to streamline how the company integrates capabilities across its global risk and human capital networks.
Aon established one new global chief execution officer role to align strategies across its risk and human capital business units. The appointee, Leonora Siccardi, will maintain her current dual responsibilities within the reinsurance and risk capital sectors.
The players
Aon
A global professional services firm that provides a broad range of risk, retirement, and health solutions to corporate clients.
Leonora Siccardi
The newly appointed global chief execution officer who also maintains roles in reinsurance claims and risk capital client solutions.
The details
The new global chief execution officer position is designed to foster greater cross-functional efficiency by coordinating strategy and operations between the firm's major service pillars. Siccardi is tasked with working alongside global and regional leadership teams to improve internal collaboration and ensure the faster adoption of firm-wide capabilities. She retains her long-standing responsibilities as chief claims officer for reinsurance solutions and as global head of client solutions for risk capital, effectively creating a hub-and-spoke operational model across these segments.
Timeline
October 13, 2026: Aon announced the appointment of Leonora Siccardi to the new role.
2018: Leonora Siccardi was recognized as a Business Insurance Woman to Watch.
Market Landscape
This appointment reflects a broader trend of large-scale service firms consolidating executive oversight to bridge internal silos. It follows the firm's established pattern of integrating its risk and human capital businesses to provide more cohesive offerings to global clients.
Operators should watch for potential shifts in how Aon manages global client solutions as this new role integrates formerly separate workflows. This centralized approach often leads to faster service delivery, which may change the procurement and integration experience for corporate clients.
The takeaway
The creation of a chief execution officer role highlights the growing importance of operational alignment in complex, multi-unit service businesses. Leaders should monitor how the firm's cross-functional collaboration evolves to determine if similar structural changes might improve efficiency in their own organizations.
Further reading
For more updates on professional services leadership, see the latest news in People.
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