Marc Barker is currently the Chief Commercial Officer for Professional Lines at Aon Ltd, a position they have held since 2026. Marc has been with Aon since 2000, initially starting as an Insurance Broker. They began their career in 1990 with Minet Ltd, an Aon predecessor firm, after completing a two-year internal training program. Marc attended Wanstead High from 1985 to 1990.
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