The research analyzes the involvement of social network, that is family, friends, and experts formed by entrepreneur for the success of the entrepreneurship process at business discovery phase. Ciputra University students are the population for the study. Sixty students at the second semester are used as the sample. At this semester students are taught to find business idea and to pioneer its establishment. This research uses regression logistics to predict the success of business discovery phase. The results show family members, college friends, friends in group and other friends, and skill encourage success at the discovery and emergence of business phase. Experts do not have impact at the discovery phase and the establishment of a new business.
Keywords: social network, entrepeneurship, business discovery