Mark Baisley is a Republican candidate for U.S. Senate in CO in the 2026 election.
American politician (born 1955)
Mark Baisley is an American politician who is a state senator from Roxborough Park, Colorado. A Republican, Baisley represents Colorado's 4th Senate district.
Previously, he represented Colorado House of Representatives District 39, which encompassed parts of Douglas County and all of Teller County. He is the Republican nominee in the 2026 U.S. Senate election in Colorado, challenging incumbent Democrat John Hickenlooper.
As of 2026-09-30 · Source: FEC
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