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Owned by Callum
A playful, intelligent and unpredictable newsletter that dives into one random topic every issue - blending educational depth with a wink of absurdity
Here to show you an accurate representation of what my days look like as a co-owner of a gym and sports events company. Follow along, or don’t :)
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Callum Barnard hasn't contributed to Brain Roulette yet.
Active 48d ago
Joined Oct 29, 2025
Australia