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.
The move takes him back to underwriting after almost four years as a broker, bringing with him experience that spans political violence, terrorism, and casualty risks.
He joins Lockton after a 15-year stint at Zurich Insurance, where he held various underwriting, portfolio management and executive leadership roles across the UK and Australia.
