Alliance will bring together commercial- and personal-lines capabilities for agents, insurers and embedded-distribution partners across the US, Europe and Asia.
The Singapore-based executive brings more than 14 years of underwriting and management experience across the energy and chemicals sectors to the expanded role.
The appointment marks Ishida's return to AIG after more than a decade, following leadership roles at Everest Insurance, Zurich and other global insurers.
Based in Chicago from January, she will lead the broker's worldwide go-to-market strategy and sales, taking over from Anne Corona, now CEO of North America.
The Cologne-based executive takes charge of underwriting strategy across Europe, Asia and Australia, stepping up from the insurer's German underwriting operation.
