Marcus Portbury – Biography

Last update: March 3, 2026

Executive profile

Marcus was Regional Head of Casualty, Asia Pacific at AIG, and Assistant Vice President, Casualty at Liberty International Underwriters. Marcus Portbury joined Berkshire Hathaway in 2014. Marcus served as Regional Head of Third Party Lines, Asia and Senior Vice President, Regional Head of Third Party Lines, Asia for Berkshire Hathaway.

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Education

Marcus Portbury has obtained a degree from Barker College in 1992.

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