The standing OPTN Committee composed of no more than 12 Directors: President, Immediate Past President, Vice President, Vice President of Patient and Donor Affairs, Secretary, Treasurer, and if not represented by the individuals holding such offices, at least one of each of the following: an organ procurement organization representative, a transplant coordinator representative, a histocompatibility representative, and a general public, patient or voluntary health organization representative. HRSA's Director of the Division of Transplantation and the OPTN Project Officer or their designees participate ex officio. The UNOS Executive Director attends all meetings of the OPTN Executive Committee but does not vote. The Executive Committee meetings take place immediately prior to both Board of Directors meetings, and may also take place at other times as the need arises. It is authorized to:

• Act conditionally on behalf of the Board
• Review time-sensitive issues that require Board action, including the proposal of solutions to conflicts among recommendations of various standing and ad hoc committees
• Make recommendations to the Board on any issue
• Provide guidance on the interpretation of prior Board actions, and/or temporarily suspend or modify implementation of recent policy or by-law changes that are not achieving their intended effect.