Leontin graduated from Leipzig University with a M.A., majoring in Intercultural Management and Translation Studies. During his studies at Heidelberg University and ISIT Paris, he gained professional experience in the field of internationalization, working for a German company in France and French startups. After his studies, he started working at WI1 to explore the social media usage in German cooperatives within the project "Connecting the Cooperative - The importance of social media for communication, collaboration and organizational culture in cooperatives", funded by the Ludwig-Erhard-Forschungsgesellschaft für Kooperative Wirtschaft.
Leontin has started afterwards as a Research Associate at the Center for Leading Innovation & Cooperation (CLIC) at HHL – Leipzig Graduate School of Management. His research focuses on co-creation and mass customization in the B2B high-tech domain. Since 2015, he has managed two mass customization projects within the large-scale initiative futureTEX, funded by the BMBF. In this context, Leontin focuses on the co-creation of high-tech products and the cross-organizational development of customized offerings via novel IT solutions.