Mr Mario Ponce > Simpson Thacher & Bartlett LLP > New York, United States > Lawyer Profile

Simpson Thacher & Bartlett LLP
NEW YORK, NY 10017-3954
United States
Mario Ponce photo

Work Department

Corporate/Mergers and Acquisitions


Partner in the Corporate Department. Focuses on negotiated and hostile merger and acquisition transactions, proxy contests, restructurings, joint ventures, corporate governance and shareholder activism. Represents both public and private companies in a variety of industries and advises private equity clients. Counsel to boards of directors and special committees concerning corporate governance, fiduciary duties and other matters. Has significant experience in the energy, industrials, retail and healthcare industries.


Joined the firm in 1988; became Partner in 1997.


University of Richmond (B.A., summa cum laude, 1984), Phi Beta Kappa; Duke University School of Law (J.D., with honors,1988).

Lawyer Rankings

United States > M&A/corporate and commercial > M&A: large deals ($1bn+)

(Leading lawyers)

Mario PonceSimpson Thacher & Bartlett LLP

Simpson Thacher & Bartlett LLP‘s team of ‘first-rate M&A practitioners‘ has a long-established reputation for expertise across a broad variety of corporate transactions including joint ventures, negotiated and unsolicited mergers and takeovers, minority investments and buyouts. Kathryn King Sudol is also an expert in respect of LBOs, going-private transactions, securities law and strategic investments, serving as practice co-head alongside Eric Swedenburg, who complements his transactional prowess with shareholder activism, corporate governance and general corporate knowhow. Lee Meyerson fronts the firm’s financial institutions practice, handling a plethora of sector-specific deals, while Alan Klein is significantly well-versed in fintech, technology and healthcare-related transactions. Mario Ponce is another integral name to the practice, leveraging three decades worth of experience. Referenced lawyers are based in New York.