
The insurance practice at Simpson Thacher & Bartlett LLP is noted for expertly advising clients in the insurance industry on coverage and bad faith litigation cases. Litigation specialists Lynn Neuner and Jonathan Youngwood co-lead the team alongside Bryce Friedman, who is known for longstanding experience in the field, particularly regarding the False Claims Act. The team handles matters spanning tort claims in the pharmaceutical industry, coverage litigation concerning public nuisance, and claims related to the opioid epidemic. Neuner is known for expertise in cases related to PFAS chemical lawsuits. Other notable members of the team include Summer Craig, who is experienced in representing clients in aviation coverage litigation, and Joshua Polster, who handles cases related to asbestos liability claims. All aforementioned lawyers are based in New York. In Los Angeles, Chet Kronenberg is a commercial litigator who has experience representing insurance companies in cases concerning the Los Angeles County fires.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'Outstanding advice to the insurance industry.'
Key clients
- AIG
- AmGUARD Insurance Company
- AXA XL
- Beazley
- Berkshire Hathaway Reinsurance Group
- Chubb
- FM Global
- Lloyd’s of London and certain London market insurance companies
- Swiss Re
- Travelers
- Utica Mutual Insurance Company
Work highlights
Represented Travelers in the bankruptcy confirmation trial involving Johnson & Johnson and Red River, which involved over $9 billion in proposed trust funding.
Advised Travelers in the Ohio Supreme Court case arising from lead paint manufacturers’ claims for insurance coverage.
Advised Chubb, AXA XL and Swiss Re in aviation insurance litigation related to airplanes allegedly grounded in Russia, including a resolution in two cases.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Lynn Neuner; Jonathan Youngwood; Bryce Friedman
Other key lawyers
Joshua Polster; Summer Craig; Chet Kronenberg

