Outlet profile

Politimix

U.S. left (independent Substack newsletter)

Owned byOwned and run by its founder, Tom Wellborn, who describes himself as a data engineer and political activist. It is hosted on Substack as an independent publication and is not part of a media company. I found no evidence of outside investors.

FundingProbably reader-supported, through Substack subscriptions (over 1,000 subscribers per its listing). I could not confirm paid-tier pricing, advertising or other funding, and none is disclosed in the sources I reviewed.

On the administrationbroadly critical

Background

Politimix is a one-person Substack publication founded by Tom Wellborn, with a listed subscriber count of just over 1,000. Its stated focus is American politics, presented as a mix of essays and commentary. Wellborn describes himself as a data engineer, political activist and 'avid user of English words', so the work is not produced by trained journalists or a professional newsroom. Recent posts include 'Pete Hegseth Fires Generals', 'Donald Trump Loves Himself' (about White House decoration) and a reader-prompted piece on how the country is weaker, agency by agency. These headlines and framing show a consistently critical stance toward the Trump administration. I found no public record of ownership changes, outside funding, corrections or controversies, and no independent assessments of its accuracy. The name should not be confused with the unrelated Politomix political news app, Politico, or PoliticusUSA. This profile rests on limited public information, mainly Substack pages and search snippets, because I could not fetch the outlet's own pages.

Sources

Profile compiled 2026-10-04; refreshed when ownership, funding, or the administration changes.

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