Guillaume Le Masson

Cleary Gottlieb Steen & Hamilton LLP

$ $$$

Liberty Street 1
New York 10006 NY US

Guillaume Le Masson’s practice focuses on corporate and financial transactions. Guillaume joined the firm in 2012. From 2012 to 2013, he was resident in the New York office, and from 2014 to 2015 was resident in the Paris office.


  • Harvard Law School, LL.M., 2012
  • Université de Paris XI – Paris-Sud, Maîtrise, 2010
  • Université de Paris II – Panthéon-Assas, Master, 2009
  • Ecole des Hautes Études Commerciales (HEC Paris), H.E.C., 2009


  • New York
  • Paris


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Liberty Street 1
New York 10006 NY US
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Lina Stillman

Broadway 42
New York 10006 NY US