Ruth Ann Harnisch newsletter sponsorships

NewsletterFIT detected Ruth Ann Harnisch sponsoring 1 newsletter in 2 posts over the last 12 months, first on Sep 22, 2026. Newsletters it has sponsored include Oldster Magazine. The most recent placement was in Oldster Magazine on Oct 2, 2026. Its placements cluster around aging, mental health and grief and loss.

Watch Ruth Ann Harnisch
Newsletters
1
sponsored in the last 12 months
Placements
2
posts with a detected sponsorship
First detected
Sep 22, 2026
in indexed posts
Last seen
Oct 2, 2026
Oldster Magazine

Placements per month

2025-11 2026-10

Newsletters Ruth Ann Harnisch has sponsored

  1. Oldster Magazine 86K subscribers

    Substack Several times a week · last post 20 days ago

    Likely audience: senior citizens

    2 placements · last Oct 2

Similar newsletters where Ruth Ann Harnisch hasn't been detected

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    Substack Daily · last post 14 days ago

    Likely audience: Political analysts

    Sponsored by Indivisible

  • XO, MU by Melissa Urban 371K subscribers

    Substack Every two weeks · last post 23 days ago

    Likely audience: Parents seeking work-life balance

    Sponsored by Ozlo Sleepbuds

  • Emily Ley 249K subscribers

    Substack Every two weeks · last post 18 days ago

    Likely audience: fashion enthusiasts

    Sponsored by HelloFresh

  • The Next Big Idea Club Book of the Day Newsletter 89K subscribers

    Substack Every two weeks · last post 15 days ago

    Likely audience: psychology enthusiasts

    Sponsored by Granola, IM8, Life

  • angel cake 41K subscribers

    Substack Monthly or less · last post 37 days ago

    Likely audience: Creative writers and essayists

    Sponsored by Hinge

  • Black Girl Burnout 26K subscribers

    Substack Every two weeks · last post 29 days ago

    Likely audience: Productivity enthusiasts

    Sponsored by Savvy Ladies

  • Emilie Mendham 18K subscribers

    Substack Every two weeks · last post 23 days ago

    Likely audience: Personal essay readers

    Sponsored by Dove

  • Michael Ian Black 13K subscribers

    Substack Several times a week · last post 15 days ago

    Likely audience: Political commentators

    Sponsored by AARP

Recent placements

  • The Oldster… Oldster Magazine

    “s: The Oldster Radio Hour is hosted by Oldster Magazine founder Sari Botton, produced and edited by Brian Macaluso, and sponsored by Ruth An”

  • A Trailer… Oldster Magazine

    “s: The Oldster Radio Hour is hosted by Oldster Magazine founder Sari Botton, produced and edited by Brian Macaluso, and sponsored by Ruth An”

Detected automatically from posts with explicit sponsorship markers ("sponsored by", "brought to you by" and similar). Detection can miss placements or misread them. Updated Oct 30, 2026 · methodology · all sponsors