Dawn Griffiths
Live online courses, books, and videos on O’Reilly
Upcoming live online training courses
Sep 30, 2026
Generative AI for Excel
Using Claude, Copilot, and other AI tools to save time and work more efficiently Course outcomes Understand which generative AI tools are available for Excel and their purposes Learn how to ...
Oct 7, 2026
AI-Powered Excel Charts
Create effective charts and dashboards using Copilot, Claude, ChatGPT, and other generative AI tools What you’ll learn and how you can apply it Create charts and dashboards to convey information and ...
Nov 17, 2026
Excel Skills for Finance
Financial functions, lookups, conditional formatting, and forecasts Course outcomes Use core financial functions such as PV, FV, PMT, NPV, and IRR to determine loan payments, analyze investments, and evaluate financial decisions ...
Bio
Dawn Griffiths is an author, trainer, software developer and the co-founder of HereScreen Ltd. She has written various books, including Excel Cookbook, Head First Android Development, Head First Kotlin, React Cookbook, Head First C and Head First Statistics. Dawn also created the video course The Agile Sketchpad with her husband, David, as a way of teaching key concepts and techniques in a way that keeps your brain active and engaged.