King & Spalding‘s offering is well-placed to assist its clients in regulatory, transactional and litigation contexts. ’Stand-out’ practitioner and experienced litigator Matthew Biben helms the group, alongside Daniel Kahan, who specialises in emerging companies and venture capital cases, defense practitioner Andrew Michaelson, and October 2025 arrival Kimberly Prior, who specializes in advising on the regulatory aspects of blockchain and digital assets; the four co-lead from New York but for Kahan, who acts from the Miami office. Atlanta’s Justin King is also a key contact for his M&A, governance, and restructuring expertise.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Deeply experienced with federal and state regulators.'
'K&S are steady hands when advising on potential opportunities or leading our thoughts and understanding risks.’
‘Matthew Biben is the stand-out partner at K&S. He's the main reason we use the firm and has become a trusted part of our extended family. Deeply experienced with our regulatory partners and has a balanced view of our commercial needs.’
Key clients
- Bessemer Venture Partners
- Cantaloupe
- Equifax
- Eos Venture Partners (Eos)
- Federal Reserve Bank of Kansas City
- Global Payments Inc. (NYSE: GPN)
- Heartland Payments Systems, LLC
- Progressive Corporation
- Ripple Labs Inc.
Practice head
Matthew Biben; Daniel Kahan; Andrew Michaelson; Kimberly Prior
Other key lawyers
Justin King
