GeoGebra Institute of Prague is formed by a group of teachers from the Charles University and the Czech Technical University. Chairperson: Dr. Petra Surynková, [url]https://tube.geogebra.org/surynkova[/url] Co-chair: Dr. Šárka Voráčová Members: Dr. Jiří Šrubař [url]https://tube.geogebra.org/jiri.srubar[/url] email: geogebra.prague@gmail.com