Firm Partners
Mario Erni (extern)
Mario Erni has been working as an expert for national and international tax law for more than ten years. Before the establishment of Rohner & Erni Tax AG in 2015, Mario Erni worked as a tax advisor with Ernst & Young and later with the renowned Zurich law firm Niederer Kraft & Frey. In addition to his advisory activities Mario Erni is a regular lecturer in national and international tax law at various educational institutes and specialized seminars.