1998 – 2002 Leo Montada, Trier,  Germany
2002 – 2004 Faye Crosby, Santa Cruz, USA
2004 – 2006 Claudia Dalbert, Halle,Germany
2006 – 2008 Linda Skitka, Chicago, USA
2008 – 2010 Carolyn Hafer, St. Catharines, Canada

2010 – 2012 Clara Sabbagh, Haifa, Israel

2012 – 2014 Michael Wenzel, Adelaide, Australia

2014 – 2016 Aaron Kay, Durham, USA

2016 – 2018 Jan-Willem van Prooijen, Amsterdam, Netherlands

2018 – 2020 Michael Platow, Canberra, Australia

2020 – 2022 Tyler Okimoto, St. Lucia, Australia