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Warren's new hires are familiar names in Arizona politics. Among them are Bren Pantilione, an organizing director, who previously worked for the Arizona Democratic Legislative Campaign Committee, and Jessica Rubio, a community organizing director, who has worked at the Latino Victory Project and as a Phoenix-based coordinator for the nonprofit Mi Familia Vota.

Pantilione is a Mesa native and an ASU graduate, and Rubio immigrated to Phoenix from Mexico at age 14 and later attended Grand Canyon University. Both will work under State Director Andrea Nemecek, who trained staff for the Arizona Democratic Party and led Iowa efforts for Senator Kirsten Gillibrand's unsuccessful presidential bid before joining Warren's camp.

Warren's campaign has also hired three regional organizing directors based in Phoenix, Tucson, and Flagstaff.

Warren's campaign offices in Phoenix and Tucson, opened last year, are focusing on voter outreach with a dedicated emphasis on communities of color, the campaign said. The candidate also visited Arizona on the campaign trail in August, traveling to Tempe's Marquee Theatre for a town hall with a crowd of around 3,000.

Arizona's presidential preference election is scheduled for March 17, two weeks after Super Tuesday, which typically winnows the field. The results of that election will divvy up the state's Democratic Party delegates to winning candidates before those delegates help select the party's nominee this summer.
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