Ralf Heiner Graf

citizen of Küttigen, Grenchen

Commercial register

Aruso AG

Member of the board of directors · joint signature by two · Grenchen

since Jul 24, 2026
FISTRA AG

Vice-chair of the board of directors · joint signature by two · Grenchen

Member of the board of directors · joint signature by two

until May 18, 2021

joint procuration by two

until Apr 11, 2018
Tschumi + Partner Revisions AG

Member of the board of directors · joint signature by two · Zollikofen

joint signature by two

until Apr 15, 2026