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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
 
Robert Langdon
Partner
 
2475 Hanover Street
Palo Alto, CA 94304 
 
Email:
Phone: +1-650-251-5040
Fax: +1-650-251-5002
Robert Langdon is a leading M&A lawyer with broad experience representing private equity sponsors, private companies (including portfolio companies) and public companies in high-stakes matters. A Partner in Simpson Thacher’s Corporate Practice, he advises clients in connection with leveraged buyout transactions, mergers, recapitalizations, restructurings and other complex transactions across a wide variety of sectors. Citing his “strong track record,” Law360 named Robert a “Rising Star” and “go-to attorney” in the area of private equity.

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Work Highlights
  • Affiliates of Silver Lake in their announced $300 million strategic investment in Cornerstone OnDemand
  • EQT Mid Market in its acquisition of Clinical Innovations
  • EQT Partners in its $850 million acquisition of Certara
  • EQT Partners in its $2.35 billion acquisition of Press Ganey, EQT’s first direct equity investment in North America
  • Silver Lake in connection with its acquisition of a substantial equity stake in Ancestry.com at an enterprise value of approximately $2.6 billion
  • Silver Lake, Warburg Pincus and Interactive Data Corporation in connection with the $5.2 billion sale of Interactive Data Corporation to Intercontinental Exchange
  • Experience prior to Simpson Thacher includes:
    • Warburg Pincus in connection with its $8.3 billion leveraged buyout of ARAMARK Corporation
    • iParadigms in connection with its $752 million sale to Insight Venture Partners and GIC, Singapore’s sovereign wealth fund, from majority owner Warburg Pincus
    • Warburg Pincus in connection with its $3.4 billion leveraged buyout (with Silver Lake) of Interactive Data Corporation
Accolades
  • Law360 “Rising Star”
Education
  • St. John’s University School of Law, 2000 J.D.
  • Syracuse University, 1996 B.S.
Admissions
  • California 2016
  • New York 2001

Robert Langdon is a leading M&A lawyer with broad experience representing private equity sponsors, private companies (including portfolio companies) and public companies in high-stakes matters. A Partner in Simpson Thacher’s Corporate Practice, he advises clients in connection with leveraged buyout transactions, mergers, recapitalizations, restructurings and other complex transactions across a wide variety of sectors. Citing his “strong track record,” Law360 named Robert a “Rising Star” and “go-to attorney” in the area of private equity.

Robert’s recent representations include the following transactions: 

  • Affiliates of Silver Lake in their announced $300 million strategic investment in Cornerstone OnDemand
  • EQT Mid Market in its acquisition of Clinical Innovations
  • EQT Partners in its $850 million acquisition of Certara
  • EQT Partners in its $2.35 billion acquisition of Press Ganey, EQT’s first direct equity investment in North America
  • Silver Lake in connection with its acquisition of a substantial equity stake in Ancestry.com at an enterprise value of approximately $2.6 billion
  • Silver Lake, Warburg Pincus and Interactive Data Corporation in connection with the $5.2 billion sale of Interactive Data Corporation to Intercontinental Exchange

Robert’s experience prior to joining Simpson Thacher includes the representation of:

  • Warburg Pincus in connection with its $8.3 billion leveraged buyout of ARAMARK Corporation
  • iParadigms in connection with its $752 million sale to Insight Venture Partners and GIC, Singapore’s sovereign wealth fund, from majority owner Warburg Pincus
  • Warburg Pincus in connection with its $3.4 billion leveraged buyout (with Silver Lake) of Interactive Data Corporation
  • A Special Committee of the Board of The Titan Corporation in connection with its proposed $1.8 billion merger with Lockheed Martin
  • Neuberger Berman in connection with its $2.6 billion sale to Lehman Brothers

Prior to joining Simpson Thacher, Robert was a partner at Willkie Farr & Gallagher LLP.

He received his J.D. from St. John’s University School of Law, and his B.S. from Syracuse University. He is admitted to practice in California and New York.

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