Mme Sara Susnjar > Winston & Strawn LLP > Paris, France > Lawyer Profile

Winston & Strawn LLP
75008 PARIS

Work Department





Sara Susnjar is a multi-lingual partner of W&S SELARL, admitted in both Paris and Illinois. She concentrates her primary practice on cross-border complex business transactions with a particular focus on M&A, joint ventures, and PE. She has advised and represented some of the biggest tech and media market players (private and public corporations, equity funds, and portfolio companies), as well as those in industries such as business & financial services, consumer products, manufacturing, and healthcare.

Sara has secondary expertise on personal data protection and privacy (including GDPR compliance, implementation, and disputes). She has also represented her private equity clients in several high profile arbitration and litigation disputes.

In addition to her experience in other international law firms, Sara has worked for governments and international organizations, and more specifically:

  • United States Department of Justice
  • Robert F. Kennedy Center for Justice & Human Rights
  • Delegation of the European Union to the United States
  • British Parliament
  • United States Congress


French, Spanish, Croatian, English


  • Chicago Bar Association
  • ABA Section of International Law
  • USCIB ExPat Subcommittee
  • International Association of Privacy Professionals


Sara received a double B.A. in English, Political Science with a third major in Speech Communications from the University of Illinois, Urbana-Champaign in 2004. She received her J.D. from St. Louis University in 2007 and she received her Master II (LL.M.) in European and International Business Law from the University of Paris IX Dauphine in 2008.

Lawyer Rankings

France > Industry focus: Healthcare and life sciences

Winston & Strawn LLP covers all key aspects of the healthcare sector in a cross-disciplinary manner, with a particular focus on advisory, litigation and corporate matters, including mergers and acquisitions and private equity. The team has been handling several large and complex cross-border transactions, such as the €447m restructuring of Ascendis Health or the €900m tentative acquisition of a medtech group by an SBF 120 client. Department head Gilles Bigot leads the team which includes Julie Vern Cesano-Gouffrant, Jean-Patrice Labautière and Sara Susnjar, who have expertise in acquisitions, dispositions, leveraged buyouts, joint ventures, recapitalisations, restructuring, and debt finance transactions.

France > Dispute resolution: Commercial litigation

Winston & Strawn LLP is capable to handle the full range of disputes, spanning corporate, securities, commercial and regulatory issues. The firm has established niche expertise in the healthcare sector where it is the go-to-practice for many investors, clinics, mutual insurers, medical and healthcare manufacturers. The team is often acknowledged for its very creative practice, with several of the practice’s past disputes having broken new ground in the healthcare sector. In parallel, the team manages a large caseload in relation to many other fields; its ability to handle financial and corporate disputes alongside investment funds must be noted in particular. The practice is led by the excellent Gilles Bigot who is surrounded by Anne-Carine Ropars-FuretMathilde Lefranc-Barthe and Sara Susnjar.

Paris > Secteurs et industries > Santé et sciences de la vie

Winston & Strawn LLP couvre toutes les problématiques juridiques stratégiques propres au secteur de la santé, en conseil et en contentieux. L’équipe intervient notamment dans des opérations de fusions-acquisitions et de capital-investissement. Elle s’est récemment illustrée par sa présence dans plusieurs transactions internationales importantes et complexes ; telles que la restructuration d’Ascendis Health pour un montant de 447 millions d’euros et le projet d’acquisition d’un groupe de technologies médicales pour 900 millions d’euros par un client du SBF 120. La pratique est dirigée par  Gilles Bigot et comprend Julie Vern Cesano-GouffrantJean-Patrice Labautière et Sara Susnjar. Ils interviennent dans des opérations d’acquisition, de cession, de LBO, de partenariat, de recapitalisation, de restructuration et de financement obligataire.

Paris > Fusions-acquisitions

Winston & Strawn LLP intervient dans des opérations de dimensions nationale et internationale et de toutes les tailles. La pratique est dirigée par Jérôme Herbet et comprend notamment  Jérôme Herbet et comprend notamment  Jean-Patrice Labautière , Nicola Di Giovanni , Sara Susnjar   et Julie Vern Cesano-Gouffrant  .

Paris > Résolution des litiges > Contentieux commercial et de droit des sociétés

Winston & Strawn LLP est en capacité de traiter un très large éventail de litiges, couvrant le contentieux boursier, commercial, réglementaire et corporate. Le cabinet dispose d’une remarquable expertise de niche dans le secteur de la santé ; il est une référence pour de nombreux investisseurs, cliniques, mutuelles d’assurance, ou encore pour les fabricants de produits médicaux. L’équipe est très appréciée pour sa créativité et son audace; elle a par le passé fait bouger plusieurs fois les lignes dans le domaine médical. Parallèlement, le cabinet traite un large volant d’affaires touchant à de nombreux autres secteurs. Il affiche notamment une excellente expertise dans la gestion des litiges financiers et des contentieux d’affaires, qui n’a pas échappé aux grands fonds d’investissement. La pratique est dirigée par le très réputé Gilles Bigot, qui est entouré d’Anne-Carine Ropars-FuretMathilde Lefranc-Barthe et Sara Susnjar.