We deliver

exceptional data visualizations

to serve finance & controlling professionals.


Data Visualisation

We are passionate data visualization artists and finance & controlling experts. We know and understand finance departments’ challenges and design highly performant Tableau dashboards to support their processes in the best possible way.

Data Engineering

We use SQL, Tableau Prep and other tools to prepare finance & controlling data and leverage advanced analytics. Our data sources are trustworthy and optimized for visualization purposes.

Inspiration & Training

We share all our tricks. Our talks and presentations inspire big audiences at conferences as well as small analytics teams. We conceptualize trainings which are 100% customized and empower our customers to maintain our solutions and to adopt them to future challenges.


Klaus Schulte

CO data and vizjockey.com are led by Dr. Klaus Schulte. Klaus is a professor of controlling at Münster School of Business at FH Münster in Germany. He won Iron Viz at Tableau Conference Europe in 2018 and has been recognized as a Tableau Zen Master.


Established in 2018, our blog has been a learning resource for people in 150 countries to date. Innovative ways to use Tableau are shared by a group of different authors. The Becoming a Tableau Desktop Specialist series has become a standard resource to prepare for Tableau’s Desktop Specialist Certification exam.

CO data

We are a virtual organization and happy to take opportunities everywhere in the world. We collaborate with local data visualization talents and data visualization experts from all around the globe.

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Apr 4, 2022

Desktop Specialist Exam | Fundamentals

The New Tableau Specialist Exam

Greetings! Lukas here from learningtableau.com. I asked Klaus if I could do a guest post providing an update to Christine’s terrific series on becoming a Tableau Specialist in 2019. Christine gives a great explanation not only of preparing for the exam but also of how to participate in the Tableau community. Updates to Tableau’s Certifications […]

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Mar 4, 2022

Chart Types | Fun | Tableau Techniques

Custom Axes in Tableau

In this blog I’d like to share one of the coolest things I’ve ever created in Tableau. But what is so cool about this viz? You’ve probably already seen thousands of such curvy line charts. (If you want to learn how to create them, read Kevin Flerlage’s blog on it or even take his template […]

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Jan 12, 2022

Chart Types | Data Engineering | Fun | Fundamentals | Tableau Techniques

Using Tableau Public Templates Efficiently

Tableau Public is an incredible resource. 2M authors who have published more than 5M visualizations and billions of views, these are the latest figures I’ve heart last year. That’s stunning. I personally also made my first steps with Tableau on Tableau Public and used it ever since to share my own visualizations with the community. […]

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Oct 17, 2021

Business | Data Engineering

Cost-Plus-Pricing with Tableau & Tableau Prep

I’ve just finished a project where I had a very interesting and fun challenge: Create a Cost-Plus-Pricing Tool in Tableau. “No, you can’t do pricing in a BI Tool”, or “We need flexibility for our pricing tool, that only Excel gives us” is something I’ve already heart many times, when discussing about pricing. But of […]


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