R. Fulton Brock was elected to the Board of Supervisors in 1996 and was reelected to the office in 2000, 2004, and 2008. Today, he continues to serve the citizens of Maricopa County - named "best run county" by Governing Magazine, Syracuse University and the Pew Foundation.

Supervisor Brock has three times served as Chairman of the Board of Supervisors and five times as Vice Chairman. He currently serves on the Greater Phoenix Economic Council Board of Directors. He has been on the Maricopa Association of Governments' (MAG) Regional Aviation System Planning Committee and the Phoenix & Valley of the Sun Convention & Visitors Bureau. He has been a member of the Valley Transit Authority, a founding member of the Arizona Venture Capital Conference, and is also active in various East Valley Chambers of Commerce. Brock earned a Bachelors of Science degree in 1974 from Centre College of Kentucky.

Supervisor Brock has served as Chairman of the Maricopa County Hospital Board and on the Governor's Science and Technology Council. Other activities include the Governor's Merit Award; National Federation of Independent Business Guardian of Small Business Award; Arizona Management Society; Tempe YMCA fund-raiser; Boy Scouts of America Eagle Scout and Scoutmaster; Pop Warner and Little League sports, former member of the Arizona House of Representatives, Mesa Rotary Club, East Valley Partnership, and is an advisor to United Food Bank.

Supervisor Brock supports drug rehabilitation programs such as the Alpha Program operated by the Maricopa County Sheriff’s Department in the Maricopa County Jail system. Supervisor Brock has also been a strong supporter of crime diversion programs such as Teen Courts and the Valley wide Reading to the Stars Program. Over the last three years he recently represented the Board of Supervisors as the Head Start Advisory Council member for the east side metro area. For the last several years Supervisor Brock has worked with community groups in the East Valley to sponsor community and hazardous waste clean-ups. Mr. Brock is a registered investment advisor.