Endorsed
Jack Rosenthal
Running for Transit Board, RTD District Board O, in Denver, CO
About Jack Rosenthal
Jack Rosenthal is a software engineer and transit advocate from Louisville, Colorado, running for the Regional Transportation District (RTD) Board of Directors in District O, which serves parts of Boulder County, in the November 2026 election. He helped write and pass Colorado's Transit Access Bill, which requires clear system maps and expanded language access at transit stops and stations statewide, and advocated for Route AL, RTD's direct airport bus serving Longmont, Niwot, and Lafayette.
Endorsing chapter
How our endorsements work
Every YIMBY Action endorsement starts with local research and is ratified by a member vote.
01
Chapters do the research
Local members study the races, send questionnaires, and interview candidates about housing.
02
Members vote
Every endorsement, candidate or ballot measure, is ratified by a vote of YIMBY Action members, not staff.
Read our full procedures03
We put it to work
Endorsements go into voter guides, and chapters knock doors and phone-bank for the slate.
Voter guides are member funded
Members shape who we endorse and keep this research free.
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