Thomas Gerstmanns Blog
Understanding users & data to better achieve goals online. With data analytics, UX & experimentation. With my tested and proven process. My goal? #zerohunger.

Customer Journey Analysis – The 5 Steps of Understanding User Behavior
To get an overview of your Customer Journey is a widely accepted approach. It orchestrates all efforts of an organization out of a customer centric perspective. Which is very good. But far less people know, how to measure this effectively and holistically. Welcome to Customer Journey Analytics. And no, this article's not about a software tool, like so many others, but about the systematic approach how to improve quality of all your customers communication in a measurable way.DAS EIGENTLICHE...
Blog Categories
Datadriven Marketing
Understanding your users & data to reach your goals online. With data analytics, UX & experimentation.
Zero Hunger
Worldwide hunger is one of humanities biggest issues. I don’t want to sit and watch one more second.

Like a website relaunch, but awesome: Continuous Improvement
Sometimes it seems to me as if people treat their websites like a book. Every time one single typo is found, the whole book gets printed anew. And because they dont' get updated...

Reaching Zero Hunger: My “WHY?”
Right now I'm starting into a new project: To help fighting global hunger. This is a post about my motivation and my "Why?". My very first post on this topic can be found...

I’m joining the fight for zero hunger – My new project and blog
In this blogpost, it is all about reaching zero hunger. Worldwide hunger is one of humanities biggest issues and I cannot sit and watch one more second. Let's dive into my new...
Piwik PRO and Mouseflow for the perfect user experience – how to optimize your website sustainably now
As a marketing manager in the SME sector, you want to ensure your website not only attracts visitors, but also generates conversions. Datadriven optimization can help you make...

I am moderating the AI conference “KI Kontrolliert” by digitalHUB and RWTH Aachen University
What does artificial intelligence (AI) control? And how can we control them? On Thursday, May 6, 2021, together with Dr. phil. Jacqueline Lemm at the digital event "KI...

Google Looker Studio: How to extract data from a JSON string with REGEXP_EXTRACT
In some cases it happens that you need to collect several data points into one single field. In this article I’ll share with you how to extract such data from a JSON string with...

Video: Establishing data-driven decisions in organizations
"Thomas, how can I establish data-driven decisions in our organization?"I gave a brief overview of this topic at the Aachen Data & AI Meetup: What is data-driven...

How to establish data driven decision making – 2 talks at Aachen Data & AI Meetup
Cordial invitation to our next Aachen Data & AI Meetup Our next Aachen Data & AI Meetup will take place on March 17, 2021, starting at 6 p.m: This time it's about...

Aachen Data & AI Meetup: “Data Science in a nutshell”
How can I make quick and smart decisions in the face of unimaginable amounts of data? "In recent years, all the headlines about data [...] and artificial intelligence have...

Workshop series “The online marketing and sales essentials”
Together with digitalHUB Aachen, GFIU and Dr. Anna Lea Dyckhoff, I am offering a series of events, some of which are aimed at managing directors and some at marketing managers....