This website was created by Tomasz Decker, a Certified Public Accountant (CPA) and a passionate Excel enthusiast.

I have been teaching Excel around the globe for many years. My expertise led me to establish Excel Master, a highly successful and leading Excel website in Poland.

Tomasz Decker

Hi everyone, I’m Tomasz!

During my time as a financial consultant at some of the world’s top companies, I discovered my passion for two things: 1. Excel 2. Sharing my knowledge with everyone. I hold a bachelor’s degree in Accounting and Economics from the University of Zielona Góra in Poland.