Howard Dean is an American physician and politician who served as the Governor of Vermont from 1991 to 2003. He gained national attention during his campaign for the Democratic Party nomination for President in 2004, where he was known for his progressive policies and grassroots fundraising efforts. Dean's campaign is often remembered for its energetic rallies and the infamous "Dean Scream," which became a viral moment in political history. After his presidential run, he served as the chair of the Democratic National Committee from 2005 to 2009, where he promoted the "50-state strategy" to strengthen the party's presence across the United States.