Episode 134

Cornelius Schumacher on being an Open Source Steward at DB Systel


August 19th, 2022

38 mins 27 secs

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Special Guest

About this Episode


Cornelius Schumacher


Richard Littauer | Ben Nickolls

Show Notes

Hello and welcome to Sustain! The podcast where we talk about sustaining open source for the long haul. We’re very excited to have as our guest, Cornelius Schumacher, who works as the Open Source Steward at DB Systel, helping teams to successfully use and contribute to open source. Today, we’ll have discussions with Cornelius about what it means to be an Open Source Steward at DB Systel, what it means for the world of open source, and how he brings his extended history of working with KDE and other open source communities into this position. Go ahead and download this episode now to learn more!

[00:02:44] Cornelius tells us what he does as an Open Source Steward at DB Systel, how big DB Systel is, and how many people work under him.

[00:07:18] Find out if Cornelius sees himself as being a civil servant or as being more enterprise based in terms of how his OSPO is situated compared to other OSPOs.

[00:08:53] We learn how Cornelius’s journey and experience has been with license compliance over the last three years.

[00:11:26] Ben asks Cornelius if there’s been a conversation about what’s been happening in the U.S. with the Biden administration’s security of open source and the supply chain security concept, and Richard wonders if the German Sustainable Open Source Fund is also included in that discussion.

[00:14:07] We hear what environmental sustainability looks like for Cornelius.

[00:20:12] Cornelius fills us in on the German group, the report they made, and how they think about autonomy.

[00:21:28] We learn more about how Cornelius is interfacing with projects to make them more autonomous and sustainable, and how he’s helping the open source community at large through his work at Deutsche Bahn.

[00:25:19] Richard brings up a blog post Cornelius wrote, and Cornelius talks more about how his journey has evolved.

[00:30:38] Cornelius shares advice on what he would say if someone wanted to work in open source but they don’t have the free time.

[00:33:18] Find out where you follow Cornelius and his work online.


[00:15:19] “Still, software has a big influence on energy consumption, but also on how systems are designed, what you can do with them, and how much control you have.”

[00:28:24] “I think we should pay people properly.”

[00:28:53] “Exploiting people is not sustainable.”


  • [00:34:54] Ben’s spotlight is Flipper Zero.
  • [00:35:45] Richard’s spotlight is Erasmus+.
  • [00:36:29] Cornelius’s spotlight is NEdit.



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