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Portrait of Deborah Keller

Deborah Keller

Senior Associate

CMS Hasche Sigle
Lennéstraße 7
10785 Berlin
Languages German, English, French

Deborah Keller advises and represents clients in German and international arbitration proceedings and before state courts. She also acts as tribunal secretary in numerous arbitration proceedings.

Deborah has special expertise in advising clients with regard to construction projects and technology related disputes. In addition, she has experience in advising on major real estate projects throughout the construction process and in managing and defending large scale multi party proceedings.

Deborah joined CMS in 2019.

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Relevant experience

  • ICC Arbitration in Paris for a Central European plant engineer against a Western European employer concerning the installation of a production line in Western Europe
  • Ongoing, litigious advice to a Western European subcontractor in connection with the construction of several logistics centers in Central Europe
  • Ongoing, litigious advice to a state-owned company concerning a major construction project in Central Europe
  • German state court proceedings for a general contractor against a Central European employer concerning a major infrastructure project in Central Europe
  • Advising and representing a publicly listed, Central European Energy supplier in connection with the construction of an offshore wind project in the North Sea.
  • ICC Arbitration in Frankfurt regarding termination-related compensation claims and claims for delay and disruption in connection with the construction of a missile defence site in Eastern Europe.
  • LCIA arbitration in London for a Central European sports goods manufacturer in connection with post-M&A claims.
  • Advising a Central European general contractor in connection with the construction of a feder-al research institute in Central Europe, in particular regarding disputes arising from supply bot-tlenecks and increasing energy costs.

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Memberships & Roles

  • German initiative of young arbitration practitioners (DIS, DIS40)
  • ICC Young Arbitrators Forum
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  • Bauablaufstörungen in COVID-19-Zeiten, Baurecht, Zeitschrift für das gesamte öffentliche und private Baurecht (BauR) 2020, 695; co-author: Andreas J. Roquette
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  • 2019: Second state examination in law
  • 2017 - 2019: Trainee lawyer at Berlin Higher Regional Court including placements at the Federal Ministry for Economic Affairs and Energy and Freshfields Bruckhaus Deringer (dispute resolution)
  • 2016: First state examination in law
  • 2011 - 2016: Law studies at the University of Potsdam
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