Marielle Koppenol-Laforce has been a lecturer at the Institute for Private Law, which forms part of Leiden University, since September 2005, and a professor of International Commercial Contract Law since 1 February 2010. Before that she was a (senior) university lecturer on Private International Law at Erasmus University Rotterdam (1985-2000). In 1997 she obtained her doctorate at this university with a thesis on 'The Hague Trust Convention'. In addition to her professorship, she has been a partner at the law firm Houthoff Buruma since 2002, where she is a member of the Dispute Resolution practice group.

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Marielle Koppenol-Laforce has been a lecturer on International Commercial Contract Law at Leiden University as of September 2005, and she was appointed as a part-time professor on 1 February 2010.

Marielle Koppenol-Laforce is a partner at the law firm Houthoff Buruma. She is a member of the Dispute Resolution practice group where she specialises in private international law and corporate and commercial law. She advises and litigates on commercial contracts for the supply of goods and services, distribution, general terms and conditions and joint ventures. She deals with complex, international  litigation and arbitration, including arbitrations against States in mostly cross border matters.

Before joining Houthoff Buruma, she was a (senior) university lecturer on Private International Law at Erasmus University Rotterdam (1985-2000). In 1997 she obtained her doctorate at this university with a thesis on 'The Hague Trust Convention'. She obtained a Master's in notarial law in 2000 at the VU University Amsterdam.

Marielle Koppenol-Laforce also holds a number of additional positions: she is a member of the Standing Committee for Private International Law, a member of the editorial staff for various legal journals (NIPR, WPNR), a coach for the annual Leiden William C. Vis Moot Court team and a member of the Supervisory Board of World Expo 2025.

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