Callum McDonnell
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| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 52 | Founded | 6 years ago | Last Issue | 25 days ago |
| Active | |||||
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callummcdonnell.substack.comLatest Issues
10 ways to blow up your Podcast in 2026
Hey team,
Hope you’re rocking it!
Last week I was talking to one of my clients.
I can’t name them publicly.
But you can guess who they might be…
-
They have over 1 Million subscribers
-
A really successful Podcast
In fact, it’...
Meet the advertising genius behind Steven Bartlett
Hey team,
Hope you’re rocking it!
Meet my friend Tom Lewis:
Tom is 22 years old.
His performance agency, Metastat, are the team behind the paid media strategy for The Diary of a CEO Podcast and multiple fast growing e-commerce brands....
Social Media Is Changing (Here's What to Do in 2026)
Hey team,
Hope you’re rocking it!
Social media is a “steaming sack of sh*t right now!”
That’s according to my friend Michael Corcoran.
Michael should know!
He’s the social media strategist behind the big brands who crush it on social m...
How To Make $10 Million From LinkedIn (The Complete Playbook)
Hey team,
Hope you’re crushing it this week!
Every so often I sit down with someone and realise they are operating at a much higher level than almost everyone else.
Josh Sanders was one of those people.
He works with Chris Donnelly.
An...
Meet the Marketing Genius Generating £400k/month in Leads from Instagram
Hey team,
Hope you’re crushing it this week!
I’m lucky in that I’ve met a lot of seriously talented people.
But every so often, I’ll meet someone who shocks me.
Leaves me spellbound.
Meet my friend Rachel Harris:
She’s a chartered acc...
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