Mike Cierpiot
Missouri State Senator, District 8 since 2018. Did not run for re-election in 2026; leaves office in January 2027. Ran in 7 elections between 2010 and 2022, winning 7.
- In office
- 7 yrs
- Since 2018
- Bills became law
- 1
- 26 sponsored, 2025–2026 session
- Last margin
- +11.6
- Won 2022
- Elections
- 7
- 2010–2022
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Commerce, Consumer Protection, Energy and the Environment · chair
- Appropriations
- Budget Conference
- Fiscal Oversight
- Rules, Joint Rules, Resolutions and Ethics
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
No bills in this list for the 2025–2026 session.
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Career
Offices held, and every time Cierpiot was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2022 | Missouri State Senate, District 8 | Won | R+11.6 | R+7.0 | +4.6 |
| 2018 | Missouri State Senate, District 8 | Won | R+9.3 | — | — |
| 2016 | Missouri House of Representatives, District 30 | Won | — | — | — |
| 2014 | Missouri House of Representatives, District 30 | Won | — | — | — |
| 2014 | Missouri House of Representatives, District 30 (primary) | Won | — | — | — |
| 2012 | Missouri House of Representatives, District 30 | Won | R+21.6 | — | — |
| 2010 | Missouri House of Representatives, District 56 | Won | R+26.8 | — | — |
Source: 99chambers results archive
Seats Cierpiot has held
- Missouri State Senate, District 8 · since 2018
- Missouri House of Representatives, District 30 · 2012–2018
- Missouri House of Representatives, District 56 · 2010–2012
Source: 99chambers results archive
Who Cierpiot has run against
- Antoine D. Jennings (D) · 2022 election, won
- Hillary Shields (D) · 2018 election, won
- Shere Alam (D) · 2012 election, won
- Dave Coffman (D) · 2010 election, won
Source: 99chambers results archive
How we know Cierpiot
One person, matched across every source we use.
- Open States ocd-person/70c04c22-b1a9-4c3c-96f9-36761e63f3f8
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET