Dr Josua Stuckelberger holds a Masters degree in Physics from ETH Zurich finishing with a thesis on Kesterite solar cells. Recently he received his PhD in Material Science from EPF Lausanne on work about transparent passivating contacts. The wish to contribute for a cleaner energy solution guided him through his positions at EMPA, HSLU and ETH Lausanne and brought him to ANU to the team of Professor Daniel Macdonald. His work lead to several contributions at international conferences and publications in peer reviewed journals.