Advises US and international brokers, MGAs, insurers, reinsurers, investors, and technology companies on complex insurance transactions and regulation
Handles regulatory approvals and due diligence for M&A and affiliate transactions, and the formation, licensing, and structuring of business operations
Negotiates distribution, MGA, and other administration agreements and develops and obtains approvals for novel insurance products
Counsels clients on InsurTech, excess and surplus lines, and the intersection of healthcare and state insurance regulation
H. Michael (Mike) Byrne has extensive experience in complex insurance transactions, regulation, and InsurTech matters. He is vice chair of the firm’s insurance transactions and regulation practice and co-leader of its InsurTech practice.
- Represented Aon plc, a global insurance broker, on insurance commercial and regulatory matters in several M&A transactions, including their $13.4 billion acquisition of NFP, a retail insurance, benefits, and wealth management broker and advisor
- Represented Allianz X, the strategic investment arm of the Allianz Group, on insurance commercial and regulatory matters in a strategic equity investment in data-powered managing general agent Coterie Insurance
- Represented Arthur J. Gallagher & Co., one of the world’s largest insurance brokerage, risk management, and consulting firms, in the acquisition of Bremer Insurance Agencies, a subsidiary of Old National Bancorp
- Represented Sayata, an AI-enabled digital distribution marketplace and agency operations for commercial insurance, in its sale to Penn-America Underwriters, a subsidiary of Global Indemnity Group, a publicly listed holding company for property and casualty insurance-related businesses
- Represented a private investment and direct lending firm in an investment in a reciprocal inter-insurance exchange
- Best Lawyers in America, Insurance Law (2025-2027), Mergers and Acquisitions Law, 2027
- Chambers USA,Insurance: Transactional & Regulatory (Nationwide), 2025-2026; Band 2, Insurance: Transactional & Regulatory (New York), 2017-2026
- Legal 500 US, Recommended, 2021-2025
- NAPSLO Legislative Advocacy Award, 2013
- New Jersey Surplus Lines Association Person of the Year Award, 2019
- McDermott Will & Schulte, Insurance Transactions and Regulation Practice Group, vice chair
- McDermott Will & Schulte, InsurTech Practice Group, co-leader
- WSIA/NAPSLO, Legislative Committee, member, 2005-present
- Insurance Industry Charitable Foundation, Northeast Division, former board of directors and grants committee member, 2012-2019
- Rutgers Law School, JD, cum laude
- Rutgers University, BA
- New Jersey
- New York
- Pennsylvania
- English