Current Position: Governor since 2019
Affiliation: Democrat
Former Position: US Representative for CO-02 from 2009 – 2019

Polis served one term on the Colorado State Board of Education from 2001 to 2007, and five terms as the United States representative from Colorado’s 2nd congressional district from 2009 to 2019. A libertarian Democrat, he was the only Democratic member of the Liberty Caucus.

Polis is the founder of the Jared Polis Foundation. The foundation issues annual Teacher Recognition Awards and donates computers to schools and nonprofit organizations. Polis has also founded one charter school (the New America School) and co-founded another (the Academy of Urban Learning).

Current Position: US Senator since 2009
Affiliation: Democrat

Other positions: Chair, Subcommittee Conservation, Forestry and Natural Resource

A member of the Democratic Party, he was appointed to the seat when Senator Ken Salazar became Secretary of the Interior. Bennet previously worked as a managing director for the Anschutz Investment Company, chief of staff to Denver mayor (and his future Senate colleague) John Hickenlooper, and superintendent of Denver Public Schools.

Current Position: US Senator since 2015
Affiliation: Republican
Candidate: 2021 US Senator

He began serving in the Colorado House of Representatives in 2005 where he spent time as the Minority Whip and became known for his expertise in natural resource and agriculture policy. Cory was elected to the U.S. House of Representatives in 2010.

As a member of the House Energy and Commerce Committee, Cory championed a true all-of-the-above energy strategy that promoted traditional resources as well as renewable energy. In addition, Cory is a national leader on energy efficiency initiatives and founded a bipartisan energy efficiency caucus in the House.

Source: Government page