The Board of Trustees of the OIC-AC consists of 11 members. Geographical diversity, solid know-how on alternative dispute resolution, and sound regional/global reputation are the substantive criteria for appointing the members of the Board of Trustees. The Board of Trustees is in charge of the formation of the aim and the policy of the OIC-AC, the appointment of the Board of Directors, and amendments to the Statute of the OIC-AC.

The Board of Directors of the OIC-AC consists of 7 members each of whom is among the prominent figures of their respective profession. Geographical diversity as well as solid know-how in law and arbitration are the substantive criteria in appointing the members of the Board of Trustees. Preparation, adoption, and revision of ADR rules and appointment of the members of the International Supervisory Board are among the duties of the Board of Directors.

The Secretariat comprises the Secretary-General who shall be a qualified lawyer with at least 10 years of experience and knowledge of international arbitration, Deputy/Deputies to the Secretary-General, and a sufficient number of staff. The Secretariat is in charge of the day-to-day management of the OIC-AC and functions in accordance with the resolutions of the Board of Directors, the Statute of the OIC-AC, and the Rules.

The International Court of Arbitration comprises 21 members, each of whom shall be a qualified lawyer with at least 10 years of experience and knowledge of international arbitration.