David N. Fields

David Fields is Executive Vice President of Berkshire Hathaway Specialty Insurance, responsible for Underwriting, Actuarial, Finance and Reinsurance. David was previously President of AIG Global Casualty and, prior to that, Chief Underwriting Officer and Chief Reinsurance Officer of the group. David began his career at ISO and has held multiple senior positions, both underwriting and actuarial, at AIG member companies. David holds a Bachelors of Arts degree in Physics from Rutgers University. He is a member of the American Academy of Actuaries and an associate of the Casualty Actuarial Society.