Back to profile profile_subnav_contactperson - J (Jochem) Jonkman PhD News Article on Increasing Sustainability Through Ingredients in the Food and Beverage Industry by Marlies Geerts and ORL PhD Jochem Jonkman 30 oktober 2017 | Article on Increasing Sustainability Through Ingredients in the Food and Beverage Industry by Marlies Geerts and ORL PhD Jochem Jonkman - WUR... This summer ORL PhD's Jochem Jonkman and Heleen Stellingwerf attended the EURO PhD school organised by the EURO working group of sustainable supply chains, hosted by the University of Aachen. 28 september 2016 | Along with 30 PhD peers from various countries, they stayed at the historic city of Koblenz to engage in lectures and group work, followed by a stay...