Public institutional biography · as recorded through August 31, 2026
Michael Dembrow
HouseSenateDistrict 23District 45DemocraticRepresentative
Sessions served
25
regular and special
On rosters
2009–
still serving at the cutoff
Leadership offices
0
none recorded
Chair or vice-chair roles
38
86 other memberships
Service, session by session
colour = party · one square per session- 2009RHD 45
- 2010 SpeHD 45
- 2011RHD 45
- 2012RHD 45
- 2012S1HD 45
- 2013RHD 45
- 2013S1HD 45
- 2014RSD 23
- 2015RSD 23
- 2016RSD 23
- 2017RSD 23
- 2018RSD 23
- 2018S1SD 23
- 2019RSD 23
- 2020RSD 23
- 2020S1SD 23
- 2020S2SD 23
- 2020S3SD 23
- 2021RSD 23
- 2021S1SD 23
- 2021S2SD 23
- 2022RSD 23
- 2023RSD 23
- 2024RSD 23
- 2024S1SD 23
Every roster row (25 plus 8 interim)
| Session | Chamber | District | Party | Roster title | Dates |
|---|---|---|---|---|---|
| 2009 Regular Session | House | 45 | Democratic | Representative | Jan 12, 2009 to Jun 29, 2009 |
| 2010 Special Session | House | 45 | Democratic | Representative | Feb 1, 2010 to Feb 25, 2010 |
| 2011 Regular Session | House | 45 | Democratic | Representative | Jan 10, 2011 to Jun 30, 2011 |
| 2012 Regular Session | House | 45 | Democratic | Representative | Feb 1, 2012 to Mar 5, 2012 |
| 2012 1st Special Session | House | 45 | Democratic | Representative | Dec 14, 2012 to open |
| 2013 Regular Session | House | 45 | Democratic | Representative | Jan 14, 2013 to Jul 8, 2013 |
| 2013 1st Special Session | House | 45 | Democratic | Representative | Sep 30, 2013 to open |
| 2014 Regular Session | Senate | 23 | Democratic | Senator | Feb 3, 2014 to Mar 7, 2014 |
| 2015 Regular Session | Senate | 23 | Democratic | Senator | Jan 12, 2015 to Jul 6, 2015 |
| 2016 Regular Session | Senate | 23 | Democratic | Senator | Feb 1, 2016 to Mar 3, 2016 |
| 2017 Regular Session | Senate | 23 | Democratic | Senator | Jan 9, 2017 to Jul 7, 2017 |
| 2018 Regular Session | Senate | 23 | Democratic | Senator | Feb 5, 2018 to open |
| 2018 1st Special Session | Senate | 23 | Democratic | Senator | May 21, 2018 to open |
| 2019 Regular Session | Senate | 23 | Democratic | Senator | Jan 14, 2019 to Jul 14, 2019 |
| 2020 Regular Session | Senate | 23 | Democratic | Senator | Feb 3, 2020 to Mar 8, 2020 |
| 2020 1st Special Session | Senate | 23 | Democratic | Senator | Jun 24, 2020 to Jun 26, 2020 |
| 2020 2nd Special Session | Senate | 23 | Democratic | Senator | Aug 10, 2020 to Aug 10, 2020 |
| 2020 3rd Special Session | Senate | 23 | Democratic | Senator | Dec 21, 2020 to open |
| 2021 Regular Session | Senate | 23 | Democratic | Senator | Jan 11, 2021 to open |
| 2021 1st Special Session | Senate | 23 | Democratic | Senator | Sep 20, 2021 to open |
| 2021 2nd Special Session | Senate | 23 | Democratic | Senator | Dec 13, 2021 to open |
| 2022 Regular Session | Senate | 23 | Democratic | Senator | Feb 1, 2022 to open |
| 2023 Regular Session | Senate | 23 | Democratic | Senator | Jan 9, 2023 to open |
| 2024 Regular Session | Senate | 23 | Democratic | Senator | Feb 5, 2024 to open |
| 2024 1st Special Session | Senate | 23 | Democratic | Senator | Dec 12, 2024 to open |
| 2009 - 2010 Interim | House | 45 | Democratic | Representative | Jun 30, 2009 to Jan 9, 2011 |
| 2011 - 2012 Interim | House | 45 | Democratic | Representative | Jun 30, 2011 to Jan 13, 2013 |
| 2013 - 2014 Interim | Senate | 23 | Democratic | Senator | Jul 8, 2013 to open |
| 2015-2016 Interim | Senate | 23 | Democratic | Senator | Jul 7, 2015 to open |
| 2017-2018 Interim | Senate | 23 | Democratic | Senator | Jul 11, 2017 to open |
| 2019-2020 Interim | Senate | 23 | Democratic | Senator | Jun 14, 2019 to open |
| 2021-2022 Interim | Senate | 23 | Democratic | Senator | Jun 26, 2021 to open |
| 2023-2024 Interim | Senate | 23 | Democratic | Senator | Jun 25, 2023 to open |
OLIS session roster; membership is recorded per session, not by exact seating and departure dates
Committee leadership
Vice-Chair · Education · 2009RVice-Chair · Education · 2009iVice-Chair · Education · 2010 SpeCo-Vice Chair · Education · 2011RCo-Chair · Higher Education · 2011RCo-Vice Chair · Education · 2011iCo-Chair · Higher Education · 2011iCo-Chair · University Governance (HB 4061) · 2011iCo-Vice Chair · Education · 2012RCo-Chair · Higher Education · 2012RChair · Higher Education and Workforce Development · 2013RCo-Chair · Apprenticeship in State Contracting (SB 782) · 2013iChair · Environment and Natural Resources · 2013iChair · Environment and Natural Resources · 2014RChair · Workforce · 2015RChair · Reentry, Employment and Housing · 2015-2016 InterimChair · Workforce · 2015-2016 InterimChair · Workforce and General Government · 2016RChair · Environment and Natural Resources · 2017RCo-Vice Chair · Carbon Reduction · 2017-2018 InterimChair · Environment and Natural Resources · 2017-2018 InterimChair · Environment and Natural Resources · 2018RCo-Chair · Carbon Reduction · 2019RChair · Environment and Natural Resources · 2019RChair · Education · 2019-2020 InterimChair · Environment and Natural Resources · 2020RChair · Education · 2021RChair · Education · 2021-2022 InterimChair · Education · 2022RChair · Education · 2023RCo-Chair · Natural Resources · 2023RChair · SB 473 · 2023RChair · Education · 2023-2024 InterimCo-Chair · Natural Resources · 2023-2024 InterimCo-Chair · Statewide Educator Salary Schedules · 2023-2024 InterimChair · Substitute Teachers · 2023-2024 InterimChair · Education · 2024RCo-Chair · Natural Resources · 2024R
About these figures
Appointed by Speaker of the House (House Rule 8.05); Speaker and President jointly, or as provided by law; President of the Senate (Senate Rule 8.05).
Committee memberships (86)
Health Care · 2009RHuman Services · 2009RSB 767 · 2009RWork Force Development · 2009RHuman Services · 2009iOnline Learning Task Force · 2009iWork Force Development · 2009iHuman Services · 2010 SpeWork Force Development · 2010 SpeEducation · 2011REducation · 2011iPublic Education Appropriation (ORS 171.857) · 2011iVirtual School Governance (SB 994) · 2011iEducation · 2012REnergy and Environment · 2013RRules · 2013RHigh School and Transition
Success for Students with
Disabilities (HB 2743) · 2013iJudiciary · 2013iNatural Resources · 2013iUniversity Governance and Operations (SB 270) · 2013iJudiciary · 2014RNatural Resources · 2014REnvironment and Natural Resources · 2015RHB 2453 · 2015RHuman Services and Early Childhood · 2015RNatural Resources · 2015REnvironment and Natural Resources · 2015-2016 InterimHuman Services and Early Childhood · 2015-2016 InterimLegislative Policy and Research · 2015-2016 InterimNatural Resources · 2015-2016 InterimEnvironment and Natural Resources · 2016RHuman Services and Early Childhood · 2016RNatural Resources · 2016RHuman Services · 2017RJudiciary · 2017RLegislative Policy and Research · 2017RSB 64 · 2017RSCR 14 · 2017REducation · 2017-2018 InterimJudiciary · 2017-2018 InterimLegislative Policy and Research · 2017-2018 InterimEducation · 2018RJudiciary · 2018RLegislative Policy and Research · 2018RBusiness and General Government · 2019RHB 2312 · 2019RHB 2841 · 2019RLegislative Policy and Research · 2019RRules · 2019RJudiciary · 2019-2020 InterimLegislative Policy and Research · 2019-2020 InterimPublic Safety · 2019-2020 InterimRules and Executive Appointments · 2019-2020 InterimSupporting Businesses in Reducing Diesel Emissions · 2019-2020 InterimJudiciary · 2020RLegislative Policy and Research · 2020RRules · 2020REducation · 2021REnergy and Environment · 2021RJudiciary and Ballot Measure 110 Implementation · 2021RLegislative Policy and Research · 2021RCorrections Medical Care · 2021-2022 InterimEnergy and Environment · 2021-2022 InterimJudiciary and Ballot Measure 110 Implementation · 2021-2022 InterimLegislative Policy and Research · 2021-2022 InterimStudent Success for Underrepresented Students in Higher Education · 2021-2022 InterimEducation · 2022REnergy and Environment · 2022RJudiciary and Ballot Measure 110 Implementation · 2022RConduct · 2023R · AlternateConduct · 2023R · AlternateEducation · 2023RLegislative Policy and Research · 2023RWays and Means · 2023RConduct · 2023-2024 Interim · AlternateConduct · 2023-2024 Interim · AlternateEducation · 2023-2024 InterimLegislative Policy and Research · 2023-2024 InterimPublic Education Appropriation · 2023-2024 InterimWays and Means · 2023-2024 InterimConduct · 2024R · AlternateConduct · 2024R · AlternateEducation · 2024RLegislative Policy and Research · 2024RPublic Education Appropriation · 2024RWays and Means · 2024R
Votes in the reconstructed cases
- HB 2017 (2017)HB 2017 · Aye Jul 6
- 2013 special sessionHB 5101 · Aye Oct 2SB 861 · Aye Oct 2SB 862 · Aye Oct 2SB 863 · Nay Oct 2HB 3601 · Aye Oct 2
- SB 881 and SB 882 (2021)SB 882 · Aye Sep 20SB 881 · Aye Sep 20SB 881 · Aye Sep 27
- Senate walkoutsHB 2020 · Nay Jun 29HB 2002 · Aye Jun 15HB 2002 · Aye Jun 15
About these figures
A recorded vote is a documented position on that question on that day. It is not evidence of what the member sought or conceded.
Evidence for this page
Every row comes from the Oregon Legislative Information System’s official rosters and committee memberships, observed 2026-09-01. Roster codes recorded: Rep Dembrow; Sen Dembrow.
Rosters are per session; exact seating and departure dates within a session, and the reasons for any replacement, are in the chamber journals and are not claimed here.
Nothing on this page describes campaign finance, private employment, or personal life. Those are outside the institutional record this site publishes. Cite as: Oregon Governance Atlas, “Michael Dembrow,” edition dated August 31, 2026. Regenerated 2026-09-04.