What is group by 1?

Group by 1 is a feed of ideas and thoughts by Matt Arderne, hello. The writing is about data systems as they relate to improving business productivity.

Who is Matt Arderne

I founded and consult at focal, occasionally tweet, and can be found on


Primarily aimed at the type of person that might be hiring an analyst or engineer, and makes no compromises on that front.

Topics cover the intersection of Data Engineering and Data Analytics.

The goal is to discuss the role Data plays in building systems to solve business problems, how software can facilitate this, and how software engineers can relate to these systems.

An example of a system below:

Style & Substance

Relying on all of the author’s ability to create substantial content, the posts here are designed to be:

  • entertaining and informative, memorable over exhaustive

  • relying on abstractions

  • attainable to technology professionals

Why subscribe?

I’m an active Data Engineer / Head of Data implementing the systems/patterns/ processes discussed.

Most of the content is a synthesis of my experience, enhanced with learnings from the data community.

Data Community

Join the data community that inspires some of this content: Locally Optimistic

And the name?

group by 1

Subscribe to group by 1

Thoughts on data systems


Matt Arderne
I write about data systems that improve business productivity. Building something new with friends Tweet at https://twitter.com/mattarderne