Presentations from the conference are now online:
My (Werner Nienhüser) own presentation: https://einmit.files.wordpress.com/2016/07/nienhueserberlinmitbestimmungwzb2016final.pdf
There are also conference photos and videos available on that page. The videos can also be seen on youtube, including a translation of one into english.
Opening speech by Jutta Allmendinger
Interviews and reports from the conference
(Thanks in particular to Sigurt Vitols for the conference and for putting this information together.)