COVID-19 / Coronavirus
The world is taking extraordinary steps to fight and delay the spread of COVID-19. At Schellenberg Wittmer, we have taken the necessary steps to protect the health of our employees, our clients and the wider communities we work and live in. Most of our lawyers and staff now work remotely, but we remain fully available and reachable by phone (the normal phone numbers), email, fax and regular mail.

Click here to learn more about our COVID-19 resources. And a compilation of all COVID-19 regulations enacted by the Swiss government can be found here.


Who's Who Legal

“a passionate and dedicated lawyer who excels when advising and representing individuals and corporate clients alike”

Who's Who Legal

“a specialist in white-collar criminal matters”

Who's Who Legal

“deserves the highest degree of confidence”

“Roland is a profound expert in economic crime and has a great sense of where to dig further.”

Who's Who Legal

“a well-recognised name in the Swiss market known for his work advising entities and individuals on complex regulatory and white-collar crime proceedings”

Roland M. Ryser

Valentina Di Nuzzo


Roland Ryser is a Counsel in our Dispute Resolution Group in Zurich and a member of our White-Collar Crime and Compliance Team.


  • Extensive experience in advising and representing individuals and corporate clients as defence counsel in regulatory and business crime investigations
  • Assisted clients in mutual legal and administrative assistance proceedings
  • Advised clients in anti-money laudering, anti-bribery and trade compliance matters
  • Represented companies as private claimants in criminal investigations for fraud, misappropriation, mismanagement and bribery


Professional Experience
Consultant at Piper Alderman in Sydney (secondment)
Associate at Schellenberg Wittmer
Trainee Lawyer at Schellenberg Wittmer
Teaching and Research Assistant at University of Zurich
Education and Admission
Bar Admission in Switzerland
Dr. iur., University of Zurich
Master of Law, University of Zurich
Additional Professional Activities
  • Author and co-author of various publications on business criminal and criminal procedure law
  • Member of various professional associations including the Zurich and Swiss Bar Association, the Defence Counsel's Section of the Zurich Bar and the Swiss Society of Criminal Law
  • Lecturer at Vision Compliance SA (AML Compliance Officer Training)

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