The German insurer rose two places to 27th overall in the Best Global Brands 2025 ranking, with its brand value increasing 20% to US$28.2bn, the highest among insurance brands worldwide.
Button brings more than 20 years of experience in financial and professional lines underwriting, having held senior roles at Sura Professional Risks, Gallagher Re and Allianz Australia.
The industry body says procedural reform and consistent national rules are needed to tackle rising legal costs and restore public liability market stability.
Global broker continues to restructure its Australia and New Zealand senior management, following Damian Schinck's appointment as President of Pacific operations in September.
