Arnold Kiss works as the Chief Operations Officer in the startup Prosent, which was created for the purpose of a simple and innovative solution for processing approvals for event organizers and anyone who collects and processes the approvals of event participants or guests in the building, etc. He uses the work experience he gained as a business consultant and lecturer for the educational company Maxman Consultants, organizer of events in Slovakia, the Netherlands and Belgium and activist in education - is an ambassador of Teach for Slovakia and co-founder of Greenpower Slovakia and rozumieme.si/Cseregyerek, as well as consultant for the Pontis Foundation and subject creator at the Faculty of Education, Comenius University.