• info@marcusokoko.com.ng
  • (+234) 92-912-293 ) (+234) 809-559-6600
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  • dokoko@marcusokoko.com.ng
  • http://marcusokoko.com.ng

Diane Okoko

Principal Partner

Diane Okokok FCIArb, FSCIArb is a goal-driven and results-oriented Lawyer, with a flair for negotiation and putting together very complex transactions. With the best interests and goals of the client in mind, she works fastidiously on transactions to ensure that the overriding desires of our clients in entering into the transactions are met. Her eye for details and passion for perfection makes her an astute professional. She has, over the years, garnered extensive knowledge, expertise and experience in Corporate & Commercial Law, Legal and Regulatory Compliance Matters, Capital Markets Transactions and Arbitration, having participated in and advised on several transactions across these fields.

She is a Fellow and an approved Faculty member of the Chartered Institute of Arbitrators (UK) Nigeria Branch, as well as a Fellow of the Society of Construction Arbitration, a Corporate Governance Practitioner and facilitator and has vast expertise in Corporate and Company law and practice. She is a registered Capital Market Solicitor, a member of the National Prosecution Coordination Committee (NPCC), a member of the Governing Council of Janada International Centre for Arbitration and Mediation (JICAM), a member of the Nigeria Incentive-based Risk Sharing System for Agricultural Lending (NIRSAL) Experts Committee, a Zonal Coordinating Consultant to NIRSAL and a member of the Executive Committee of the Abuja Chapter of the Chartered Institute of Arbitrators (UK), Nigeria Branch. She is on the Panel of Neutrals of the Cairo Regional Centre for International Arbitration (CRCICA), the Nigerian Communications Commission (NCC), the Dispute Resolution Centre of the Abuja Chamber of Commerce and Industry (ACCI DRC), as well as the Abuja Multi-Door Courthouse (AMDC).

She is also on the Small Claims Panel of the Lagos Court of Arbitration (LCA).


  1. Ahmadu Bello University, Zaria (LL.B)
  2. Nigerian Law School (B.L)
  3. University of Jos (MALD)

Practice Areas

  1. Arbitration & ADR
  2. Corporate & Commercial Law
  3. Capital Markets
  4. Legal and Regulatory Compliance

Professional Memberships

  1. Nigerian Bar Association
  2. International Bar Association
  3. Chartered Institute of Arbitrators (UK), Nigeria Branch
  4. Society of Construction Industry Arbitrators
  5. London Court of International Arbitration

"The mind is not a vessel to be filled but a fire to be kindled" - Plutrach