
Corporate M&A
Insurance
Securities Law
Financial Services
Michael Groll is senior counsel at Willkie Farr & Gallagher in New York City, specializing in corporate and financial services law. With extensive experience in insurance transactional and regulatory matters, Michael has represented underwriters, insurance companies, and lenders in public and private securities offerings, mergers and acquisitions, and other transactions. He is recognized for his work in structured financial product transactions and credit derivatives involving both domestic and offshore insurance and reinsurance companies. Michael's expertise also extends to ILS fund formations, catastrophe bonds, and specialized insurance structures. He has been acknowledged as a leading insurance transaction lawyer by Chambers USA, The Legal 500 U.S., and The Best Lawyers in America.
Michael Groll's representative experience includes advising:

- Onex Partners Opportunities Fund acquired the target/assets from KKR in a acquisition on not available. - Deal value was 2300000000 Sector: Insurance; Location: not available. - On the acquirer side, not available advised, led by Michael Groll, Howard Block, Ryan Giggs, Stephanie Duchene.
Sep 19 2025
2B
Private Equity

Senior Counsel
2023 – Unknown
Senior Counsel
2020 – 2023
Partner
2017 – 2020


- KKR sold the stake/assets to Onex as part of a acquisition on not available. - Deal value was 1900000000 (source: AI Estimation) Sector: Insurance; Location: USA. - On the seller side, not available advised, led by Jen Perkins, Andrew Arons, Colin Zelicof, Giorgia Nagalli, Deb Kotkin, Rajab Abbassi, Parimah Hassouri, Adam Shapiro, Taylor Andrews, Samantha Balanevsky, Mike Beinus, Vivek Ratnam, Jeremy Miller, Scott Price, David Branham, Anthony Ji.
Sep 19 2025
2B
Private Equity
1 min
1978
BA, Boston University
1975