Philipp Storz has been working with Open Source Software since 1999 and with Bacula since 2007. With his company dass IT, he organizes the yearly Open Source Backup Conference and offers trainings, support and consulting around Bacula and other Open Source products.
Recently, Philipp Storz has not been working on bacula anymore, but is working on Bareos, which is a complete open source fork of bacula with many enhancements. Please have a look at https://bareos.org.