Aon appoints Thérèse Hamsten as Executive Director W&I
- October 28, 2025
- Posted by: Beth Musselwhite
- Category: Insurance
Global insurance and reinsurance broker Aon has announced the appointment of Thérèse Hamsten as Executive Director of Warranty & Indemnity (W&I) within its M&A and Transaction Solutions team in Stockholm.
Hamsten brings eight years of experience from AIG’s M&A group, where she underwrote W&I, tax liability, and contingency risk insurance.
She joined AIG in 2016 as Senior M&A Underwriter and was appointed Head of M&A Nordics in 2022.
Before her career in insurance, Hamsten practiced law, focusing on M&A at Advokatfirman Cederquist KB and White & Case Advokat AB.
Lisa Dybeck, Head of Nordics & Baltics at Aon M&A and Transaction Solutions, commented, “We are thrilled to have Thérèse join our team. Her expertise will strengthen our capabilities and further establish Aon’s leadership in the market.”
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