Christof Koller is an experienced tax professional with a comprehensive background in corporate taxation. Currently serving as Head of Group Tax at Bühler Group since 2014, Christof has previously held the position of Head of Tax at Notenstein La Roche Privatbank AG from 2012 to 2014. Earlier in their career, Christof worked as Corporate Tax Director at Novartis from 2007 to 2012 and as a Senior Tax Manager at EY between 1998 and 2007. Christof holds a Diplomierter Steuerexperte / Certified Tax Expert from Trägerorganisation für die höhere Fachprüfung von Steuerexperten and a lic. iur. HSG in Law from the University of St.Gallen.