Ralf specializes in Compliance and White Collar Crime.

He advises companies on criminal risks, conducts internal investigations and defends companies in administrative and criminal investigations and trials.

Before joining Hengeler Mueller, Ralf was a prosecutor for more than a decade, focusing on White Collar Crime. He also worked for parliamentary committees of inquiry and has experience as a criminal defense lawyer.


  • As of 2017, lawyer at Hengeler Mueller
  • Prosecutor, 2006 – 2017 (In addition, he was also a consultant in parliamentary committees of inquiry during this period.)
  • Criminal defense lawyer, 2005-2006
  • Bielefeld University