Reletter
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Penguin Analytics

John Cook

Improve your influence, polish your presence and frame with focus. This newsletter is for data pros who are done playing a support role and ready to get taken seriously. Rants, advice, thoughts and the occasional useful diagram included.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues34SubscribersRead penguinanalytics.substack.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

The 2025 Ideas That Stuck

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Your Calendar Is a Strategy Document

The last few weeks I’ve felt like I’ve been sprinting a marathon.

a month ago
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Your Team Doesn't Need You As Much As You Think

I have a tendency to treat my team like little fragile birds. I have to protect and nurture them until they’re ready to leave the nest. I want to make sure no harm ever comes to them and they don’t ever have to be uncomfortable.

2 months ago
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Your Data Team Are Creatives, Not IT

For several months, I’ve been working with our IT team to fix a group of data sources that should match, but don’t. I will politely say it’s been very frustrating. The interactions go something like this:

2 months ago
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Authors

The writers behind this newsletter.

  • John Cook

    Learn to communicate more effectively about data and with data. Penguin analytics provides advice and training for data leaders, data analysts and data scientists on how they can get their ideas across to business leaders.

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