What is an error in your data-model costing you?

What is an error in your data-model costing you? So you just found an error in one of your data models. Let’s say the sum-function did not sum the whole range – only the top 55 rows, the last 6 were unaccounted for. “Congratulations, I found an error” is probably not what you think. But […]

20:20 vision for 2020

20:20 vision for 2020 Just last week I went to the optometrist to check my eyesight. As it turned out I still have 20:20 vision with my current prescription. Always good to let someone else check. The very next day I met with a client of mine and we took a look at her current […]

The cost of doing nothing!

The cost of doing nothing! I have to admit this blog will read more like an infomercial. I do apologise in advance. Just last month a potential new client was asking me an interesting question.She said: “Who is your biggest competitor?” And without hesitation I said “doing nothing” – pause – “followed by doing it […]

How do you protect your Excel file?

How do you protect your Excel file? Every now and then my clients ask me, “Jürgen, what is the most effective way to protect your data and IP in Excel?” And the simple answer is “you don’t…” Let me explain… There are two aspects here to think through: How? and Why? Let’s talk first about the How. There are […]

Start with the end in mind!

Start with the end in mind! Recently a good friend of mine asked me what I would see as the most influential personal development book I’ve read. Gee, that is a tough question, because there are so many great books out there. Still after a moment’s hesitation I thought back to the “7 habits of highly […]

Large or Small?!

Large or Small?! A while ago I came up with the idea to calculate the number of days (and nights) my wife and I are in a relationship. As I remember the day of our first kiss quite well it was easy for me to calculate this in Excel. It was roughly 9,800 days. Then […]

Happy New Year and Welcome to 2019!

Happy New Year and Welcome to 2019! We are at the beginning of an remarkable year! Now is the time to look into productivity and make those changes you always wanted to do… Productivity… What is worth to you? One of the many beautiful things about consulting to my clients is to experience and help with […]