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Mayer Brown hires Sidley insurance deals partner John Grothaus in Chicago
John Grothaus joined Mayer Brown as a partner in its corporate & securities and global insurance practices in Chicago, Bloomberg Law reported on September 25, 2026. He advises insurers, financial services and private equity clients on M&A, capital raises, reinsurance and insurance financings, with a focus on life insurance and Asia-Pacific outbound reinsurance. He joins from Sidley Austin.
Announcement (Bloomberg Law) → · Mayer Brown
Key points
- John Grothaus joined Mayer Brown as a Chicago partner in corporate & securities and global insurance.Bloomberg LawMayer Brown
- He joins from Sidley Austin.Bloomberg LawMayer Brown
- His practice covers insurance M&A, capital investments, securities offerings, reinsurance and complex insurance financings.Bloomberg Law
- He is particularly known for life insurance and Asia-Pacific outbound reinsurance work, the firm said.Mayer Brown