Paul A.

Hello. I'm Paul A. In my first career, I was a scientist (microbiology) but I gradually got into information technology and information systems. In every job I've had, I discovered that I needed to use Microsoft Excel and that it was a great advantage to be able to do so. Over the course of more than 25 years, I've built a significant level of expertise using Excel and its self-contained programming language VBA (macros). I've helped and tutored several business colleagues to understand t…