Ironshore’s O’Brien Joins Ascot U.S. to Launch Environmental Business

Ascot has named environmental insurance veteran John O’Brien as executive vice president and head of Environmental. O’Brien will be responsible for launching an environmental liabilities and related specialty product business unit accessing both the admitted and excess and surplus capabilities of Ascot Insurance U.S.

O’Brien is an experienced underwriter with 26 years in the industry. Since 2009, he has been president and CEO of Ironshore Environmental, which he helped launch. Prior to Ironshore, he was with AIG Environmental for 13 years as president and executive vice president.

“John is one of the market’s leading experts in the environmental class. His knowledge of the sector and relationships with brokers and clients are very well aligned with our strategy of backing best in-class talent as we grow our business in the U.S.,” said Greg Wolyniec, president and CEO, Ascot Insurance U.S.