M. Klein & Company

M. Klein & Company is a boutique strategic advisory and investment firm founded by Michael Klein, a former Citigroup executive, known for advising on high-profile M&A transactions and special purpose acquisition companies (SPACs). Based in New York, the firm offers bespoke advice to corporates, sovereign entities, and high-net-worth individuals, with a strong focus on deal structuring, capital markets access, and cross-border advisory. M. Klein & Company gained prominence during the SPAC boom, advising and sponsoring a number of multi-billion-dollar transactions involving high-growth companies and complex valuation scenarios. The firm operates with a lean team and relationship-driven approach, often playing a behind-the-scenes role in transformative corporate deals.