Arizona Diamondbacks Foundation Board of Directors


This nonprofit corporation (501 (c)(3)) was created in 1997 for the purpose of furthering the welfare and well-being of the residents of the State of Arizona, by means of raising funds to be used exclusively for charitable and educational purposes. The desire is that the community benefit from the economic development of baseball.


The Arizona Diamondbacks Foundation Board of Directors meets as needed.

For updates to this webpage, contact

Current Members

Representation Member Current Term
District 1 James Moffett Jr. 07/01/2023 - 06/30/2025
District 2 Amy Cohn 07/01/2023 - 06/30/2025
District 3 Marc Ashton
07/01/2023 - 06/30/2025
District 4 Matthew McGuire 07/01/2023 - 06/30/2025
District 5 Reyes Medrano 12/08/2021 - 06/30/2023
At-Large Bob Ryan 09/13/2023 - 06/30/2025
  1. Member Qualifications
  2. Duties & Powers
  3. Formation Authority

Member Qualifications

Bylaws, Article III, Section 3.1

The Board shall be a continuing body. Subject to the requirements of the Arizona Revised Statutes, the Board may from time to time determine the number of Directors that shall serve on the Board, but in no event shall the number of Directors be less than 13. The tenure of office for each Director shall be 2 years.

Section 3.2, Classes of Directors

The Directors shall be designated as Class A Directors (who are appointed by the Team), or Class B Directors who cannot be elected officials (appointed by the Board of Directors of the Stadium District). Initially, there shall be 7 Class A Directors and 6 Class B Directors and at all times the number of Class A Directors shall be 1 more than Class B Directors. Directors of both Class shall have identical rights, powers and authority granted by the Bylaws.

Section 3.3, Vacancies

A vacancy shall be filled by the Appointing Authority for the Class of Directors in which the vacancy exists. A person appointed to fill a vacancy shall serve for the remainder of the unexpired term.

Section 3.10, Resignation

A Director may resign at any time by giving written notice of resignation to the Corporation and its Directors.

  1. Debbie Castaldo

    Executive Assistant, Arizona Diamondbacks

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