The Teamsters, one of the nation’s largest and most diverse unions with 1.3 million members, unveiled a Substack newsletter Monday, becoming the first major union to use the online forum to reach ...

Chelle Honiker's weekly newsletter on AI and automation for authors hits Substack bestseller lists with a social ...

When a Substack executive approached former Vanity Fair and New Yorker editor Tina Brown about starting a newsletter on the emerging platform, she was hesitant to join. These days, she’s all in, ...

Once locked behind the high walls of their institutions, investing pros are taking to Substack to share their views with the masses.