The long-term strategy and the balance of risk exposure are determined by the shareholders to safeguard the long-term viability of our company. The responsibility and the authority to operate our various businesses are delegated to the operating units, which enjoy a high degree of entrepreneurial freedom. Our success is based on several business principles to which we strictly adhere.
Diethelm Keller Holding Ltd. (DKH) is a privately-held organisation whose principal shareholders are the descendants of the founders, owned through the DKH Holding Ltd. parent company.
DKH is fully committed to the principles of good corporate governance, maintains a professionally-structured Board of Directors and applies uniform reporting standards.

Diethelm Keller Holding Ltd.

Board of Directors
Andreas W. Keller, Chairman
Adrian T. Keller, Vice Chairman
Jean-Daniel de Schaller
Joerg W. Wolle
Rudolf Ehrbar

Executive Committee
Andreas W. Keller
Adrian T. Keller

Strategy Committee
Andreas W. Keller, Chairman
Adrian T. Keller
Joerg W. Wolle

Audit Committee
Rudolf Ehrbar, Chairman
Adrian T. Keller

Diethelm Keller Management
Angelo C. van Tol, Chief Executive Officer
Beat Schwendener, Chief Financial Officer
Frank Wilper, Chief Legal Officer
Volker Schwarz, Chief Information Officer
Stephan Heinemann, Head Corporate Business Intelligence
Rebecca Weber, Head Group Controlling

Diethelm Keller Real Estate, Shareholder Services
Daniel R. Jagmetti

Auditor
Ernst & Young Ltd., Zurich