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John Hickenlooper

John Hickenlooper (born 1952) is an American Democratic politician, a former exploration geologist and founder of Wynkoop Brewing Company, Colorado’s first brewpub. He was mayor of Denver from 2003 to 2011 and governor of Colorado from 2011 to 2019, has represented Colorado in the U.S. Senate since 2021, and was reelected in November 2026.

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Key facts

Early Life and Education

Hickenlooper was born John Wright Hickenlooper Jr. on February 7, 1952, in Narberth, Pennsylvania; his father, John Hickenlooper Sr., was a steel mill executive.⁠[1]

He attended Wesleyan University, receiving a B.A. in 1974 and a master’s degree in geology in 1980.⁠[1][2]

Petroleum Geologist and Wynkoop Brewing

From 1981 to 1986 Hickenlooper worked as an exploration geologist for Buckhorn Petroleum, and he was laid off during the mid-1980s recession.⁠[1][3]

In 1988 he opened Wynkoop Brewing Company, Colorado’s first brewpub, in Denver’s Lower Downtown (LoDo). On August 24, 2007, he sold his stake in Wynkoop Brewing and related restaurants to business managers and employees.⁠[1][3]

Mayor of Denver

Hickenlooper was elected mayor of Denver in 2003 and served until 2011.⁠[1][3]

His Senate office website lists FasTracks transit expansion, universal pre-K for 4-year-olds, police reforms and the creation of a sustainability office among the work of his time as mayor.⁠[3]

Governor of Colorado

Hickenlooper served two terms as governor of Colorado, from January 11, 2011, to January 8, 2019. On December 4, 2012, he was named vice chair of the Democratic Governors Association.⁠[1][4]

On March 20, 2013, he signed three gun-control measures, including universal background checks for gun sales. His Senate office website also lists expanded health care coverage, limits on climate pollution and a regulatory framework for recreational marijuana among the work of his governorship.⁠[1][3]

On March 17, 2016, he launched Skillful with Allen Blue and Zoe Baird to help people without college degrees find skills-based jobs.⁠[1]

Presidential Campaign and First Senate Election

On March 4, 2019, Hickenlooper announced a run for the 2020 Democratic presidential nomination in a video titled “Standing Tall.” He ended the bid on August 15 and announced a Senate candidacy on August 22.⁠[1]

On June 30, 2020, he defeated Andrew Romanoff 58.7% to 41.3% in the Democratic primary, and on November 3 he defeated Republican incumbent Sen. Cory Gardner with 53.5% of the vote.⁠[2]

From 2021: U.S. Senator

In 2025–2026 Hickenlooper served on the Senate Commerce, Science, and Transportation; Energy and Natural Resources; Health, Education, Labor, and Pensions; and Small Business and Entrepreneurship committees, and was ranking member of the subcommittees on Consumer Protection, Technology, and Data Privacy and on Employment and Workplace Safety.⁠[2]

As a senator he co-sponsored bills on small business investment, Western wildfire risk and water supplies in the Colorado River basin.⁠[4]

In August 2024 he said that his 2026 reelection campaign would be his final Senate run and that, if reelected, he would not seek a third term; he supports a two-term limit for U.S. senators.⁠[5]

Democratic Primary

On June 30, 2026, Hickenlooper defeated state Sen. Julie Gonzales in the Democratic Senate primary; the Associated Press called the race soon after 8:30 p.m. He did not debate Gonzales during the primary, saying, “She knows where I stand, I know where she stands.”⁠[4]

In his primary victory speech he said, “But I never lost, never lost faith in all of you.”⁠[4]

Reelection to the Senate

His campaign had raised about $11 million through mid-October.⁠[6]

Related Organizations, Websites, and Public Accounts

Senator John Hickenlooper: Official website: https://www.hickenlooper.senate.gov/ (opens in a new window).⁠[3]

Sources

  1. John Hickenlooper Fast Facts (opens in a new window)
  2. John Hickenlooper (opens in a new window)
  3. About | Senator John Hickenlooper (opens in a new window)
  4. Incumbent Sen. John Hickenlooper defeats challenger Julie Gonzales in Democratic primary (opens in a new window)
  5. John Hickenlooper says 2026 reelection campaign will be his final Senate run (opens in a new window)
  6. Democrat John Hickenlooper wins 2nd term in Colorado U.S. Senate race (opens in a new window)
  7. AP Calls Senate Races in Colorado, New Mexico, and Wyoming (opens in a new window)