Marleen Krueger advises clients on international commercial and investment arbitration across jurisdictions and industries. She acts as counsel and arbitrator in proceedings seated in both civil and common law forums worldwide, including Germany, England, France, New York, Peru, South Korea, Japan, and Switzerland. Marleen represents private and government clients across sectors, including energy, oil and gas, pharmaceuticals, construction, intellectual property, technology, and automotive.

Marleen regularly works with both private companies and state‑owned entities and is well positioned to handle sensitive, cross‑border matters. Her ability to operate across legal systems and coordinate international teams enables clients to manage multi‑forum disputes with consistency and control.

Marleen has advised clients in arbitrations conducted under a variety of arbitral rules, including ICC, LCIA, DIS, SIAC, and UNCITRAL.

By combining deep experience in arbitration with sector knowledge across energy, construction, technology, and life sciences, Marleen helps clients anticipate challenges, mitigate exposure, and protect critical assets. She brings a practical, solutions‑driven approach to complex disputes, keeping matters focused on outcomes that support broader business objectives.

Marleen is a regular guest lecturer on international arbitration at institutions in Europe and the United States, including the University of Würzburg, SOAS University of London, and Pepperdine University.

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