In the course of his long career as an attorney, Kaspar Schiller has advised and represented domestic and foreign companies as well as private individuals before state courts and arbitration tribunals in the fields of business law, contract and commercial law, inheritance law/estate planning/foundations and aviation law. Today, he supports his clients and colleagues at the firm in an advisory capacity as a consultant.

Born in 1947, Kaspar Schiller studied at the Universities of Zurich and Geneva (lic. iur. 1972, Dr. iur. 1973) and completed additional studies in Great Britain in 1977, earning a diploma in finance and accounting. He was admitted to the bar in 1974. Since the same year, he has worked for the firm, which was later renamed Schiller Attorneys at Law, becoming a partner in 1978 and, since 2025, serving as a consultant.

Kaspar Schiller speaks German, English, French and some Italian.

He served as president of the Zurich Bar Association and of the Swiss Bar Association, and has been a member of the ASDA/SVLR (Swiss Association for Air and Space Law), the Association Suisse de l’Arbitrage (ASA) and the Cour Internationale d’Arbitrage Aérienne et Spatiale. He has also served on numerous boards of directors and foundations, including those of Brauerei Haldengut AG, Carl Zeiss AG and Flughafen Zürich AG.

Kaspar Schiller can often be found in concert halls, theatres and opera houses. He enjoys immersing himself in historical and classical literature.