The Vista Irrigation District board of directors elected Marty Miller as its president and Jo MacKenzie as its vice-president for 2026 at its annual organizational meeting. 

Miller, who has served on the board of directors since 2008, represents division 1, which stretches from Gopher Canyon Road to Vale Terrace Drive in Vista. This will be the fourth time Miller has led the board since being elected.

Miller, who owned a general construction company for over 40 years, has served as chair of the district’s water sustainability, fiscal policy, public affairs and Warner Ranch committees.  He has represented the district on the San Diego County Water Authority (Water Authority) board of directors since 2011. Miller is also a member of the Metropolitan Water District of Southern California board of directors representing the Water Authority and a member of the Local Agency Formation Commission Special Districts advisory committee.

MacKenzie has served on the Board of Directors since December 1992 and represents division 5, which includes northeast and southeast Vista, north Twin Oaks Valley and the Bennett area in the city of San Marcos.

MacKenzie has been a member of governing boards and committees of statewide and local organizations for many years. She has been actively involved with the Association of California Water Agencies, the California Special Districts Association and San Diego Local Agency Formation Commission, serving as a representative for special districts. Currently, MacKenzie leads the California Special Districts Association Finance Corporation board of directors as its president and serves as vice-president of the Special District Leadership Foundation board of directors.

Miller and MacKenzie are joined by directors Frank Nuñez (division 2), Peter Kuchinsky (division 3) and Patrick Sanchez (division 4) to form the district’s board of directors.

Annual Organizational Meeting News Release 2026 FINAL.pdf