Susan Kimani

Susan's practice focuses on corporate, commercial and construction litigation and arbitration. She has experience in international commercial and investment treaty arbitration across various industries, including natural resources, construction and infrastructure. She has also worked on matters involving various aspects of public international law.

Prior to joining Osler, Susan worked at the Permanent Court of Arbitration (PCA) where she assisted arbitral tribunals in inter-State, investor-State, and international commercial arbitration matters. She also assisted the Secretary-General of the PCA in his role as appointing and designating authority in arbitration cases. Susan further acted as a co-Registrar of the Mauritius International Arbitration Centre. She previously practiced law in Nairobi.

Latest Insights

  • Blog Nov 7, 2023

    Ontario court adjourns motion to approve litigation funding agreement

    A recent Ontario Superior Court of Justice decision highlights the rights and roles of the defendant in a motion to approve third-party funding.

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    Ontario court adjourns motion to approve litigation funding agreement

Awards and Recognition

  • Harvard Law School: Langdon H. Gammon Fellowship for Academic Excellence
  • Association of Young Arbitrators: 2020 Africa’s 50 Most Promising Young Arbitration Practitioners

Media Mentions

  • Osler News Sep 14, 2022

    Osler welcomes the 2022 first-year associates to the Toronto office

    Osler Toronto is pleased to welcome the following first-year associates:

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Community Involvement

  • Young International Council for Commercial Arbitration (Young ICCA), (Past) Events Coordinator

Speaking and Writing

Published Work


“Treaty Investor-State Arbitration Against African States under the ICSID Convention” in Lise Bosman, ed, Arbitration in Africa: A Practitioner’s Guide (Kluwer Law International 2d ed., 2021) 603 (co-authored).

“Peace, Water and the Permanent Court of Arbitration: Supporting Dispute Settlement from the Rhine to the Corentyne” in Hélène Ruiz Fabri et al, eds, A Bridge Over Troubled Waters (Brill | Nijhoff, 2020) 185 (co-authored).

“Approaches to the Resolution of Investor-State Disputes in East Africa: Rwanda, Kenya and Mauritius” (2018) Acta Juridica 113 (co-authored).


‘Inter-State Dispute Resolution: Perspectives from an International Judge and Practitioners’, Harvard International Arbitration Law Students Association, Organizer and Speaker, Virtual Conference, April 2022

‘Main Features of the Proposed International Investment Arbitration Court System’, 2nd Annual International Arbitration Conference of the African Arbitration Association (AfAA), Panelist, Virtual Conference, February 2021

‘In Conversation with H.E. Judge Abdulqawi A. Yusuf, President of the International Court of Justice’, Young ICCA Webinar, Organizer and Speaker, Virtual Conference, July 2020

‘Arbitration in Africa and the Role of State Courts’, Paris Arbitration Week, Panelist, Virtual Conference, July 2020

‘Lecture on Inter-State and Commercial Dispute Settlement at the PCA’, Speaker, University of Cape Town, Cape Town, October 2019



  • Harvard Law School, LL.M.
  • University of Cape Town, LL.M. (Distinction)
  • University of Nairobi, LL.B.


  • English
  • French

Professional Affiliations

  • Law Society of Kenya
  • Law Society of Ontario (Anticipated)