© 2016 International Council for Small Business. The paper emphasizes the importance of social networks in the gestation of international new ventures, particularly through their impact on the perceptions of nascent entrepreneurs. Their contribution consists not only in providing new information to assist new venture founders in identifying international opportunities but, and perhaps more importantly, in assessing them. By modifying the way in which entrepreneurs perceive the feasibility and desirability of opportunities, networks trigger the enactment of international opportunities. Whereas opportunity evaluations by more experienced international entrepreneurs tend to be linked to their strong network ties, the international role models of novice entrepreneurs seem to be transformational.