Welcome on my Contact Page!

On this Page I sum up all the ways you can get in con­tact with me.

Also, I am always look­ing for part­ners and guest authors. So I f you feel like sup­port­ing me by writ­ing a guest post send me a mes­sage to or use the con­tact form below to email me.

Join my E‑Mail Newsletter

If you want to get more infor­ma­tion on what I am cur­rent­ly up to or on what projects I am work­ing on, you can join my E‑Mail Newslet­ter here.

Follow and share my Social Media Channels

Also make sure to check out my social media chan­nels and leave a mes­sage. If you got some friends or col­leagues which might be inter­est­ed in my top­ics, I’d be glad if you share my con­tent and channels.

Looking for compressed Knowledge?

Check out my books! You can find all my books here

Also, mem­bers of my Newslet­ter will be informed ASAP I pub­lish a new book. Often I offer a reduced intro­duc­tion price for a short peri­od of time for my new books, so if you don’t want to miss that, make sure you sign up!


Join my WhatsApp Expert Group

I am also lead­ing a What­sApp Group on Plat­form-Hack­ing Experts, exchang­ing opin­ions, ideas, sto­ries, prod­uct tips and trend fore­sight. If you are inter­est­ed in join­ing this group, please write an E‑Mail to

Also, I am think­ing about, to open such a group on WeChat. What do you think? Would you join the WeChat group?

How to Sell Big

Just leave a Message

If you have wish­es, rec­om­men­da­tions, ques­tions or just want to leave me a mes­sage and get in con­tact with me, you can use this form to email me. I get back to you ASAP.