Patrick Wittwer

Member of the board of directors · sole signature · Lüsslingen-Nennigkofen

Partner · joint signature by two · Lüterkofen-Ichertswil

Member of the board of directors · sole signature · Solothurn

Chair of the board of directors · sole signature · Laufen

Member of the board of directors · joint signature by two · Lohn-Ammannsegg

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

Chair of the executive board · joint signature by two · Lohn-Ammannsegg

Chair of the board of directors · joint signature by two · Lohn-Ammannsegg

Managing director · sole signature · Lohn-Ammannsegg