Patrick Grassl

SVP, Environmental Liability

Boston, MA

Patrick is responsible for underwriting complex environmental risks, executing division strategy, and driving growth across the portfolio. He has nearly 25 years of experience in the environmental sector, with more than 15 at Ironshore/Liberty Mutual Environmental, where he was a product line manager for site pollution. He began his insurance career as an underwriter at AIG Environmental in New York. Prior to insurance, he was an environmental consultant, conducting environmental due diligence and site remediation work on properties throughout the US and Canada.