Dieter Ulmann

citizen of Appenzell, Küttigen

Commercial register

Phytax GmbH

Managing director · sole signature · Aarau

since Sep 3, 2026
Complemedis AG

Member of the board of directors · sole signature · Aarau

since Jun 16, 2026
EAL Holding AG Kirchdorf

Member of the board of directors · sole signature · Obersiggenthal

since May 27, 2025
Lüthi Carrosserie- und Lackiercenter AG

Member of the board of directors · sole signature · Obersiggenthal

since May 27, 2025
Be.a Holding AG

sole signature · Zürich

since Oct 25, 2024
Renée Spalinger-Stiftung

Chair of the foundation board · joint signature by two · Zürich

since Nov 29, 2021
Wilfred L. Sloane - Stiftung

Member of the foundation board · joint signature by two · Zürich

since Jan 16, 2017
Dr. Margrit Schoch-Stiftung

Chair of the foundation board · joint signature by two · Zürich

since Dec 21, 2016
Stiftung Callistemon Laevis

Member of the foundation board · joint signature by two · Zürich

since Dec 9, 2009