At the event from Voice eV. & heise.de on DevOps and culture (https://www.heise-events.de/konferenzen/voice-themenforum) I had the pleasure to have a talk on the interference of culture and DevOps.
My slides can be found here:

Some impressions from the session, showing Stefan Schumacher from https://voice-ev.org, Matthias Patz, VP Innovation & New Ventures, DB Systel GmbH and Kevin Wennemuth, Senior IT Security Consultant from codecentric and some notes from the joint workshop part happening after there presentations.