Gwilym Sims-Williams.

Writer. Producer. Storyteller.

Hey, my name’s Gwilym 👋

I’m a YouTube producer, scriptwriter and consultant.

I run Bryan Johnson’s 1.5M-subscriber channel.

I was also Ali Abdaal’s chief writer, scripting 20+ YouTube videos and writing 60+ issues of his 300k-subscriber newsletter.

Other clients include Ramit Sethi, Oliur/Ultralinx, Matt Gray, Leila Gharani, Jesse Enkamp, and the University of Cambridge.

Before working in YouTube I studied English at Cambridge, and graduated top of my year at Edinburgh.

Gwilym’s Newsletter

For tactical YouTube analysis, sign up to my newsletter.

What to expect:

  • ✍️ Advanced scriptwriting tips
  • 🗺️ Strategic analysis of recent videos + trends
  • 👨‍💻Advice on running a world-class YouTube team

Want to work with me?

Here’s how I can help:

🔬 YouTube Consulting

  • Hire me to consult on your YouTube channel or scripts, either as a one-off or on a recurring basis.

📝 YouTube Scriptwriting

  • Personal, well-researched video scripts
  • Multiple rounds of feedback to perfect each script.

Contact me about your project here, I’ll aim to get back to you within 48 hours.

What people have said:

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“Gwilym is an amazing writer, strategist and all round YouTube pro. Gwilym helped with a range of things from scripts, strategy and my personal newsletter. Couldn't recommend him highly enough!” - Ali Abdaal

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“Gwilym is an excellent scriptwriter. His scripts are well-researched, easy to film, and delivered outstanding results. 100% recommend. “ - Ramit Sethi

📮 Email

🐦 Twitter

👔 LinkedIn

📷 Instagram