Langhorne Cowles Sias[3] (born 1959) is an American politician who represented House District 27 in the Colorado House of Representatives. A vacancy committee appointed Sias to the office after his predecessor resigned, and he was sworn into office on February 4, 2015.[4] A Republican, he was subsequently elected to the office in the November, 2016 general election.

Lang Sias
Member of the Colorado House of Representatives
from the 27th district
In office
February 4, 2015 – January 4, 2019
Preceded byLibby Szabo
Succeeded byBrianna Titone
Personal details
Langhorne Cowles Sias

1959 (age 64–65)
Wilton, Connecticut, U.S.
Political partyRepublican (2007–present)
Other political
Independent (Before 2003, 2006–2007)
Democratic (2003–2006)[1][2]
EducationVassar College (BA)
London School of Economics (MS)
University of Michigan, Ann Arbor (JD)
WebsiteOfficial website
Military service
Allegiance United States
Branch/service United States Navy
Years of service1986–1998
RankLieutenant Colonel

Sias was the unsuccessful Republican nominee for lieutenant governor and running mate of Walker Stapleton in the 2018 Colorado gubernatorial election.[5]



Lang holds a J.D. from the University of Michigan Law School, a Master of Science from the London School of Economics, and a Bachelor of Arts from Vassar College.[6] He has practiced law in the past.[7]

Military service


Sias served in the United States Navy as a fighter pilot and Topgun instructor. He achieved the rank of Lieutenant colonel. He later served in the Air National Guard.[8]



Sias lives in Arvada, Colorado with his wife and three children. He works as a 777 pilot for FedEx.[9]

2022 state treasurer campaign


In November 2021, Sias announced his candidacy for Colorado State Treasurer.[10] On November 8, 2022, he lost to incumbent Democrat Dave Young in the 2022 general election.[11]


  1. ^ "Walker Stapleton chose lawmaker Lang Sias as his running mate. Here's what that means". 11 July 2018.
  2. ^ "Republican Sias brings nonpolitical experience to congressional 7th District primary". 16 July 2010.
  3. ^ Bartells, Lynn. Republican Sias brings nonpolitical experience to congressional 7th District primary. The Denver Post, July 16, 2010.
  4. ^ Ballotpedia. Lang Sias. Viewed, 2017-01-08.
  5. ^ Eason, Brian (2018-07-11). "Stapleton taps GOP state lawmaker as running mate". The News Tribune. Retrieved 2018-07-11.
  6. ^
  7. ^ Bartells, Lynn. Republican Sias brings nonpolitical experience to congressional 7th District primary. The Denver Post, July 16, 2010.
  8. ^ "The Tailhook scandal shook the Navy, and Colorado GOP candidate Lang Sias found himself in the middle of it". The Colorado Sun. September 14, 2018. Retrieved September 28, 2021.
  9. ^ About Lang. Viewed, 2017-01-08.
  10. ^ Paul, Jesse (November 16, 2021). "Republican Lang Sias launches bid to unseat Colorado Treasurer Dave Young". The Colorado Sun. Retrieved November 16, 2021.
  11. ^ Nelson, Elliott Wenzler, Delaney (2022-11-09). "Democrat Dave Young reelected as Colorado treasurer". The Colorado Sun. Retrieved 2022-11-25.{{cite web}}: CS1 maint: multiple names: authors list (link)