The ‘well-rounded’ practice at Simpson Thacher & Bartlett LLP remains a key player on the M&A market and continues to advise on a wide range of impactful and high-value strategic transactions. The team demonstrates significant expertise in representing clients from across the financial services, tech, and infrastructure spheres, with practice head Eric Swedenburg regularly assisting public and private corporations with a diverse array of mergers, acquisitions and divestitures. The ‘reliable’ Mark Viera focuses on complex dispositions and leveraged buyouts, Lee Meyerson is noted for his expertise in connection with mergers in the financial services industry, and Alan Klein specializes in shareholder activism and corporate governance issues. Mario Ponce specialises in handling negotiated and hostile M&A transactions, and Elizabeth Cooper concentrates on recapitalizations and investments Katy Lukaszewski, who arrived from Sidley Austin LLP in September 2023, handles complex energy and infrastructure-based transactions. All attorneys mentioned are based in New York.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘The Simpson team around Mark Viera and Eric Swedenburg is made up of excellent attorneys and business partners. The team is well-rounded and has a deep bench and can provide counsel on all aspects of a transaction.’
‘Mark Viera and Eric Swedenburg are reliable business partners. They are incredibly responsive and manage their team effectively.’
Key clients
- 51job, Inc.
- Bentley Systems, Incorporated
- Best Buy Co. Inc.
- Blue Buffalo
- BMC Stock Holdings
- BorgWarner Inc.
- The Bountiful Company
- Change Healthcare Inc.
- Cisco Systems
- Cooper-Standard Holdings Inc.
- CSL Behring
- Dell Technologies
- Fifth Third Bancorp
- First Data Corporation
- Genesee & Wyoming
- Gerdau S.A.
- Harsco Corporation
- Hilton Worldwide Holdings Inc.
- IBERIABANK Corporation
- Ingersoll Rand, Inc.
- Johnson Controls International
- L3 Harris
- Mars, Inc.
- Melrose Industries PLC
- Microsoft Corporation
- The Mosaic Company
- NN, Inc.
- The ODP Corporation
- Paysafe Group Holdings Limited
- People’s United Bank
- PG&E Corporation
- PPD Inc.
- Refinitiv
- RPM International Inc.
- Sirius XM Radio Inc.
- SoftBank
- Sony Music Entertainment
- SunPower Corp
- TCF Financial Corporation
- Teleflex Incorporated
- The Toronto-Dominion Bank
- Board of Directors of Twitter, Inc.
- Versum Materials
- Vistra Energy Corp.
- Vivint Smart Home, Inc.
- Vivint Solar, Inc.
- Walgreens Boots Alliance, Inc.
- Waste Management, Inc.
Work highlights
- Represented Microsoft Corporation in its acquisition of Activision Blizzard for $75bn.
- Represented Cisco Systems in its pending $28bn acquisition of Splunk.
- Represented Stonepeak in its pending $7.4bn acquisition of Textainer.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading lawyers
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
The lawyer(s) leading their teams.
Eric Swedenburg