Yvan-Claude Pierre


I advise clients on their most complex and transformative transactions, and work 24/7 to assist them in achieving their goals and strategic objectives. Cooley’s unique platform allows us to guide our clients holistically and collaboratively in a transformative way that we believe no other firm can match.


Yvan-Claude is a partner in the business department and a member of the capital markets and public companies practice groups. He is also a founding member of Cooley’s Chicago office, where he spends half his time. Yvan-Claude advises clients on a wide range of public offerings, M&A and other significant corporate transactions across the US and throughout Europe, Australia and Asia. Over his 25 years in practice, he has counseled US and global publicly traded and privately held life sciences, healthcare, medical technology, consumer healthcare, technology and other innovative companies, as well as investment banking firms, private equity sponsors and venture capital firms.

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  • Shake Shack - $250 Million Convertible Senior Notes Offering 

  • SELLAS Life Sciences Group to Merge with Galena Biopharma 

  • Oncobiologics – $40 Million IPO and Private Placement 

  • ZapGo Closes $7.7 Million Financing  

  • EyeLock: Acquired by VOXX International 

  • View all


  • University at Buffalo Law School, State University of New York
    JD, 1996

  • State University of New York at Albany
    BA, 1990

Admissions & Credentials


New York

Not admitted to practice in Illinois


  • STRIVE, Board Member (2014-present)

  • Futures in Education Foundation, Board Member (2004-2011)

  • Youth About Business, Advisory Board Member (2006-2011)

Rankings & Accolades

    Super Lawyers: Securities & Corporate Finance Law

    Global M&A Network: Top 50 Global M&A Lawyers (2015)

    The Legal 500: Capital Markets – Equity Offerings by Issuers and Managers (2013-2015) and M&A Middle-Market and Technology Transactions (2015)

    The Network Journal: 40 Under Forty (2007)