page_title: John Gioia
hierarchical_section_title: John Gioia
caption_attribution_description: English: Bay Area AQMD representative to CARB, John Gioia.
context_page_description: John Gioia is an American politician. He has served on the Contra Costa County Board of Supervisors in Contra Costa County, California since 1998 and was re-elected three times. He served as chair in 2002, 2006 and 2010. John Gioia is a Democrat. Contra Costa supervisorial seats are non-partisan.
context_section_description: John Gioia is an American politician. He has served on the Contra Costa County Board of Supervisors in Contra Costa County, California since 1998 and was re-elected three times. He served as chair in 2002, 2006 and 2010. John Gioia is a Democrat. Contra Costa supervisorial seats are non-partisan.
caption: Portrait of John Gioia
exif: {}