# Unlocking Expertise in Tableau & Power BI through Playfair+ featuring Ethan Lang

> This is content from just-tim, the data-and-analytics channel by Tim Ngwena (formerly 'Tableau Tim'). Tim has 12+ years of hands-on BI experience and covers Tableau most of all, plus Power BI, Looker, Hex, SQL and data modelling, the analytics industry, and the craft of doing the job — always tool-agnostic and honest about the trade-offs.

- **Author:** Tim Ngwena (just-tim, https://just-tim.com/about)
- **Published:** 2025-07-01
- **Format:** Video · 74 min watch
- **Canonical:** https://just-tim.com/posts/unlocking-expertise-in-tableau--power-bi-through-playfair-featuring-ethan-lang
- **Watch:** https://www.youtube.com/watch?v=BkhChWLceVk

Watch the full video and use chapter deep-links on the page: https://just-tim.com/posts/unlocking-expertise-in-tableau--power-bi-through-playfair-featuring-ethan-lang

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just-tim — Data and analytics, with a point of view. · https://www.youtube.com/channel/UC7HYxRWmaNlJux-X7rNLZyw · https://twitter.com/TableauTim · https://www.linkedin.com/in/timngwena