This is just a brief overview of the materials on the topic of Knowledge Workers for Feb 8 in Berlin. There is a lot of information available, the term has been around since Peter Drucker coined it in 1957, so you can imagine 60 years of writing and discussions on the topic.
Dr. Peter Heisig provided these two links http://www.bpb.de/apuz/225695/digitalisierung-und-wissensarbeit?p=all and http://www.wissensarbeiter-studie.de/ and hopefully he (or someone else) can provide a summary in English.
My slides are here. Knowledge Workers background slides they are meant to just provide a bit of background and to help facilitate our discussion.