Graeme Rayner – Biography

Last update: May 7, 2026

Executive profile

Graeme was Group Director of Underwriting at Pioneer Underwriters, and Chief Underwriting Officer at Mitsui Sumitomo Insurance. Graeme Rayner joined Ryan Specialty Group in 2024.

Graeme Rayner is currently

Chief Underwriting Officer, International at Ryan Underwriting Managers Int'l - View - Ryan Underwriting Managers Int'l org chart



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  • In the Insurance industry, Graeme Rayner has 69,282 colleagues in 4,032 companies located in 106 countries. 20,820 executive movements have been recorded in the last 12 months. Learn more about Insurance.

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Through the switchboard, call Ryan Underwriting Managers Int'l at +44 203... and ask for Graeme Rayner.

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