“Is Bhutan destined for 100% organic farming”. Invited talk at FIBL Institute in Switzerland, November 2018
“100% organic farming – utopia or opportunity?”. Invited talk at the museum of bread and culture, Ulm, October 2019
“How can we feed 10 billion people?”. Invited talk at the World Food Seminar at VHS Inzigkofen, December 2019.
“Biodiversity Economics”. Invited talk at the Joachim Herz foundation, online, November 2021
“The “Intention-Transformation-Gap”: Barriers and possible solutions for biodiversity conservation”. Invited talk at the Albsymposium, Münsingen, November 2021
“Food security in times of crisis and beyond”. Invited talk at the Baden-Württemberg change dialogue, October 2022