Diethelm Keller Holding Ltd. (DKH), owned by Diethelm Keller Group Ltd., is a privately held organisation whose principal shareholders are the descendants of the founders.

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
Rudolf Ehrbar
Peter Fankhauser

Advisory Board
Peter Fankhauser, Chairman
Alexandra S.A.Keller
Flora A.Keller
George A.Keller
Joy A.Keller
Max-Gustav A.Keller
Julie A. von Wedel

Executive Committee
Andreas W. Keller
Adrian T. Keller

Audit Committee
Rudolf Ehrbar, Chairman
Adrian T. Keller

Chief Executive Officer
Thomas Aebischer

Corporate Secretary
Daniel R. Jagmetti

Auditor
BDO Ltd., Zurich