Kadir M. Sonderer

Head of Operations

Contact

Kadir combines deep operational know-how with technical expertise in regulatory compliance. He focuses on creating clarity and efficiency in complex environments, bringing a sharp eye for process optimisation and a collaborative approach to building scalable frameworks that support day-to-day operations.

He began his career in a Swiss tax practice before joining Sequent Group (formerly Rothschild Trust Group), where he spent 14 years. Starting in Client Services, he gained hands-on experience administering complex trust structures before moving into Operations. There, he built and led the firm’s global regulatory reporting function—working across jurisdictions and departments, managing third-party relationships, and contributing to the development of the firm’s international operations and regional offices.

Kadir holds a Bachelor’s degree in Business Administration and is a fully qualified STEP practitioner. Fluent in German and English, he focuses on delivering practical, compliant, and efficient solutions to support operational excellence.

Conduct

Alain Tran
Partner

Aristide Ljubenovic
Junior Associate, Strategic Consulting

Kadir M. Sonderer
Head of Operations

Marie-Claire Salamin
Office Manager

Mathilde Wittmer Thormann
Partner

Melanie Voser
Partner

Nadina N. Hediger
Partner

Nataliia Paskina
Partner

Philip Märki
Partner

Philip Marcovici
Member of the Board of Directors

Stefan Liniger
Partner