Gustav Flecke-Giammarco

Gustav Flecke-Giammarco

7SA Seven Summits Arbitration

Recognized since 2020

Munich, Germany

Practice Areas

Arbitration and Mediation

International Arbitration

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Gustav acts as counsel and arbitrator in multifaceted domestic and international arbitrations, involving a wide array of matters under many different laws. His institutional track record includes cases under the ICC, DIS, VIAC, SCC, FAI and SCAI Rules. He has extensive experience with ad hoc arbitrations (domestic and UNCITRAL Arbitration Rules), and sits as chair, co-arbitrator, sole arbitrator and emergency arbitrator at various seats throughout Europe. Gustav’s main areas of expertise include construction and engineering, post-M&A, international sales, licensing, distribution, energy (including oil and gas) and infrastructure projects.

Before founding 7SA, Gustav practised with the litigation and arbitration group of Heuking Kühn Lüer Wojtek in Düsseldorf and headed the case management team responsible for arbitrations seated in Germany, Switzerland, Austria, Benelux and the Nordic countries at the ICC International Court of Arbitration in Paris. During his tenure at the ICC Secretariat, Gustav supervised over 850 proceedings, including investment treaty and emergency arbitrator cases, and was involved in the scrutiny of 450 awards. Gustav also served on the drafting committee for the 2018 DIS Arbitration Rules and co-edited The DIS Arbitration Rules – An Article-by-Article Commentary (Kluwer Law International).

Contact & Links


  • Bl├╝tenstr. 1
    Munich 80799

Bar Admissions

  • Germany, 2009

7SA Seven Summits Arbitration
Headquarters: Munich, Germany

2 The Best Lawyers in Germany awards

Full Firm Profile

Recognized in The Best Lawyers in Germany 2023 for work in:

  • Arbitration and Mediation
  • International Arbitration


  • Best Lawyers 2021 Best Lawyers 2020 Who’s Who – Future Leaders 2020 Who’s Who – Future Leaders 2019 Who’s Who – Future Leaders 2018 Who’s Who – Future Leaders 2017 Expert Guides Commercial Arbitration 2020 Expert Guides Commercial Arbitration 2019 Rising Stars Expert Guides 2018 Rising Stars Expert Guides 2017 Rising Stars Expert Guides 2016

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