Gaëlle Le Quillec


Gaëlle Le Quillec specializes in international commercial arbitration, with a particular focus on the aviation, defense, energy, construction, leisure, transport and hospitality sectors. She possesses vast experience as counsel in numerous arbitrations under the rules of the most prominent arbitral institutions. She has acquired expertise in investment arbitration proceedings. She is regularly appointed as an arbitrator in international disputes.

Gaëlle Le Quillec also focuses on commercial litigation (commercial contracts, sellers’ guarantees, post-M&A litigation) and white-collar crime.

Gaëlle Le Quillec trained in France and in the United States. She is dual-qualified and admitted to the Paris and New York Bars. She speaks French and English fluently. Before joining BETTO SERAGLINI, she previously worked in the New York office of a major American law firm.

Gaëlle Le Quillec leads the Rencontres de l’Arbitrage, the Paris international arbitration club. She is also the Moderator of the Arbitration & ADR List and is a Member of the ICC Young Arbitrators. She is a Member of the ICC Task Force on Arbitration of Climate Change-Related Disputes.

Gaëlle Le Quillec is listed in the specialized rankings:

  • Décideurs 2018:
    “Leading” – Africa Desk – Arbitration & International Litigation
    “Excellent” – Litigation & Arbitration – International Arbitration – Mediation / Africa Desk – Oil, Gas, Mining, Natural Resources and Energy
    “Recommended” – Africa Desk –  Arbitrator
  • Best Lawyers 2018: International Arbitration Paris, Mediation and Arbitration Paris
  • Who’s Who Legal Arbitration: Future Leaders – Partners, 2017, 2018
  • Best Lawyers List for France, 2017
  • Legal 500 EMEA 2019: “Gaëlle Le Quillec is extremely responsive and diligent in case preparation”
  • Legal 500 EMEA 2015: “Gaëlle Le Quillec is ‘able to think outside the box’”
  • Legal 500 EMEA 2014: “Gaëlle Le Quillec is able to get at the heart of any dispute and then gradually dismantle the opposition’s case”
  • Best Lawyer 2014: “Gaëlle Le Quillec has been selected by her peers for inclusion in Best Lawyers in France in the practice area of Arbitration and Mediation”


  • Juris-Classeur Droit International – Lexis Nexis international arbitration. (with T. Tomasi)
  • Le régime méconnu des notifications à un État étranger“, in JCP G., 2006, I, 147 (with R. Thominette)
  • “Un consulat ne peut valablement recevoir l’assignation destinée à un État étranger auquel il est rattaché“, note following Toulouse Court of Appeal, 9 May 2006, in JCP G., 2007, II, 10021 (with R. Thominette)