Werner specialises in private wealth, advising private clients, family offices, foundations and trust companies on complex international estate planning and estate litigation, divorce proceedings, family law issues and art law.

He is certified by the Swiss Bar Association as a specialist in inheritance law and ranked by Chambers’ High Net Worth Guide and Who’s Who Legal as a leading practitioner in Private Client and Arbitration, as well as by Legal 500 as one of the leading private client practitioners in Switzerland. Having practised international arbitration for two decades, he currently acts as counsel and arbitrator in commercial and private client related disputes.