Aon announces appointment of Leonora Siccardi as Global Chief Execution Officer, Risk Capital and Human Capital, effective immediately

20 October 2026 — Marina MAGNAVAL

Aon, a leading global professional services firm, has announced that Leonora Siccardi has been appointed Global Chief Execution Officer, Risk Capital and Human Capital, effective immediately.

According to Aon, in this newly created role, Siccardi will strengthen the connection between strategy, investment priorities and execution across Risk Capital, Human Capital, Advisory and Analytics, helping Aon operate with greater pace and focus on behalf of clients. She will identify opportunities for closer collaboration across Solution Lines, accelerate the development and adoption of new capabilities and partner with Aon’s global, regional and functional leaders to translate strategic priorities into consistent delivery for clients and colleagues worldwide.

"Leonora is a proven leader who has spent her career turning strategy into results for clients", said Joe Peiser, Chief Executive Officer of Risk Capital. "She understands what clients need, how our capabilities fit together and how to lead complex, multi-region change. That makes her exceptionally well positioned to sharpen how we execute as one connected firm", Joe Peiser added.

"Bringing Risk Capital and Human Capital more closely together creates significant opportunities for our clients", said Byron Beebe, Chief Executive Officer of Human Capital. "Leonora's focus on aligning priorities, capabilities and investment will help us capture those opportunities with greater pace and scale", Byron Beebe added.

Siccardi will continue to serve as Chief Claims Officer for Aon's Reinsurance Solutions business and as Global Head of Client Solutions, Risk Capital, where she is responsible for driving growth initiatives across Aon’s proprietary and cedent facilities, as well as Specialist Claims Solutions.

She is a board member of Aon Reinsurance Italia S.p.A. and has advised C-suite executives and boards on strategy, growth and enterprise transformation throughout her career. She will bring that experience to a remit that now spans both Risk Capital and Human Capital.


 

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