Calvin Center newsletter sponsorships

NewsletterFIT detected Calvin Center sponsoring 1 newsletter in 1 post over the last 12 months, first on Oct 3, 2026. Newsletters it has sponsored include Refugia Newsletter. The most recent placement was in Refugia Newsletter on Oct 3, 2026. Its placements cluster around Education and Brazilian politics.

Watch Calvin Center
Newsletters
1
sponsored in the last 12 months
Placements
1
posts with a detected sponsorship
First detected
Oct 3, 2026
in indexed posts
Last seen
Oct 3, 2026
Refugia Newsletter

Placements per month

2025-122026-11

Newsletters Calvin Center has sponsored

  1. Refugia Newsletter1K subscribers

    SubstackEvery two weeks · last post yesterday

    Likely audience: Climate activists

    1 placement · last Oct 3

Similar newsletters where Calvin Center hasn't been detected

Active newsletters on the same topics that already carry sponsors. Useful for finding where a brand like this could go next, or where a competitor isn't yet.

  • The Westerville News5K subscribers

    SubstackSeveral times a week · last post 20 days ago

    Likely audience: Westerville residents

    Sponsored by 2nd Chances Thrift Stores

  • The Addison Times4K subscribers

    SubstackSeveral times a week · last post 19 days ago

    Likely audience: Shelby County residents

    Sponsored by Freeman Family Funeral Homes, Floyd, Tri County Sertoma Club

  • Wired Women2K subscribers

    SubstackWeekly · last post 21 days ago

    Likely audience: Arts and culture enthusiasts

    Sponsored by City, Rose Bowl Institute

  • The Peak—

    beehiivWeekly · last post 19 days ago

    Likely audience: Tech industry observers

    Sponsored by NORTHEASTERN UNIVERSITY, EVOLVE ETFS, FITZROVIA

  • PI Briefing—

    LinkedInEvery two weeks · last post 9 days ago

    Likely audience: Progressive political activists

    Sponsored by South Africa

Recent placements

  • Refugia Newsletter…Refugia Newsletter

    “s for adults as well as for children. You might know her from her 2015 bestseller The Soul of an Octopus. This event is sponsored by the Cal”

Detected automatically from posts with explicit sponsorship markers ("sponsored by", "brought to you by" and similar). Detection can miss placements or misread them. Updated Nov 1, 2026 · methodology · all sponsors