Michael Kummer

citizen of Lohn-Ammannsegg, Aarau

Commercial register

Chair of the board of directors · sole signature · Holderbank (AG)

since Jun 5, 2026

Member of the board of directors · joint signature by two · Holderbank (AG)

since Jun 4, 2026

joint signature by two · Holderbank (AG)

since Jul 13, 2023

joint signature by two · Lupfig

since Jul 13, 2023

Member of the board of directors · Chair of the executive board · sole signature · Schinznach Dorf

Member of the board of directors · Chair of the executive board · sole signature

until May 13, 2025