Data Katrina

Welcome! I’m the leading expert on Sigma Computing, sharing insights and tips to help you master this powerful BI platform. As the author of a book on Sigma (Spreadsheets for Dummies), leader of the global Sigma User Meetup, and creator of weekly challenges for learning Sigma (Workout Wednesday), I’m passionate about making data accessible and impactful. 

Whether you're just starting out or looking to sharpen your skills, you’ll find tutorials, demos, and practical advice tailored to your journey.