Hans Rainer Künzle graduated from the University of St-Gall (Dr. oec. HSG), qualified as an attorney-at-law and is admitted to the Bar of the Canton of Zurich. He joined KPMG in 1996 and became Partner in 2000. He was a founding Partner of Kendris private Ltd. (today: Kendris Ltd) and is since his retirement an Of Counsel with Kendris. In 2005 he became Associate Professor for private law and comparative private law at the University of Zurich, emeriting in 2021. He is author of the Bernese Commentary to Art. 517-518 Swiss Civil Code (the executor) and the Zurich Commentary to Art. 86-96 International Private Law Act (International Succession Law). He is co-editor of the Law Review successio.