since 2020 FiBL Topic lead food quality, safety and processing
2013 - 2020 Chocolat Frey und Delica AG: Head of food law
2012 - 2013 Self-employed with the following mandates: President commission processing and trade Bio Suisse, AQua Alnatura expert group quality, EGTOP (Expert group of Organic Farming)
2004 - 2012 FiBL: Head of department food quality and safety
2000 - 2004 Bio Suisse: Head of processing and trade division
1999 - 2000 bio.insepcta: Inspection and certification of organic products, supplier audits, and HACCP monitoring
1994 - 1999 André Klein AG: Head of quality management and product development (1997 -99), head of semi-finished product sales and outsourcing (96 - 97)
Committee work
2019 - 2022 Board of Directors Agrovision Burgrain AG, Regio Fair AG
2020 Expert group Aqua Alnatura
Teaching
HAFL, Zollikofen (since 2021): Nachhaltigkeit vom Hof bis auf den Teller: Lieferketten im Biosektor