Previously, he was an Associate Professor in the Strategy group at Harvard Business School and in Strategic Management at MIT Sloan. Andrei holds a PhD in economics from Princeton University and is a citizen of Romania, France and the United States. His research and teaching on multi-sided platforms has been featured in top journals such as Rand and Harvard Business Review. His Harvard cases are taught worldwide. Andrei is on the board of advisors of marketplaces such as CoachUp (sports), a marketplace for private sports coaching, LexInsight (legal talent), an online marketplace for legal talent, and TCGplayer (gaming).