Kyrsten Lea Sinema (; born July 12, 1976) is an American politician serving as the U.S. Representative from Arizona's 9th congressional district, first elected in 2012. A member of the Democratic Party, she previously served in both chambers of the State Legislature, being elected to the Arizona House of Representatives in 2004 and the Arizona Senate in 2010.
Sinema began her political career as a Green Party activist before joining the Democrats and becoming a state lawmaker.After her election to Congress, she shifted toward the political center, joining the conservative Democratic Blue Dog Coalition and the bipartisan Problem Solvers Caucus and amassing a center-left voting record. Sinema has worked for the adoption of the DREAM Act and has campaigned against Propositions 107 and 102, two voter referendums to ban the recognition of same-sex marriage and civil unions in Arizona. She was the first openly bisexual person elected to the U.S. Congress.
Sinema is running in 2018 to replace Senator Jeff Flake, who declined to run for reelection. She won the Democratic nomination on August 28, becoming the first openly bisexual person to win a major party nomination for a U.S. Senate seat. If elected, she will be the first openly bisexual person elected to the U.S. Senate and the second openly LGBT person ever to serve in the Senate, after Tammy Baldwin. Wikipedia