Sabine Wirth has been with Holcim since May 2013, serving in various administrative roles, including Personal Assistant to Chief Marketing Officers Alfonso Paradinas Aguilera and Frank Burkhardt, as well as supporting teams in Commercial Cement and Customer Excellence. Responsibilities have included assisting in product portfolio management, corporate communication, and sales training within the marketing mix framework. Prior to Holcim, Sabine Wirth held multiple positions at Alstom Power from August 1996 to February 2013, including Business Unit Assistant and Project Secretary. Educational qualifications include a Maturity Certificate in modern languages, Travel/Tour Operating Specialist credentials, and a Swiss Diploma in Commerce, complemented by BEC qualifications in English.