The native Hungarian form of this personal name is Árvai Péter. This article uses Western name order when mentioning individuals. Peter Arvai (born October 26, 1979) is a Hungarian/Swedish entrepreneur and activist. He is the Executive Chairman, co-founder and former CEO of Prezi, a cloud-based presentation software company. As an entrepreneur, he founded omvard.se in Sweden, and co-founded Prezi in 2009 along with designer Adam Somlai-Fischer and computer scientist and university professor . As of 2020, Prezi has more than 100 million users worldwide.