Professor in Political Science (PS), Director of the PhD in PS, 2015-present date; was also Director of the Degree in PS, 2009-2015, ISCTE-IUL – Lisbon University Institute. He is a researcher at CIES-Iscte. He has taught and/or presented at conferences as a guest at several Portuguese and foreign universities. Freire has directed several research projects on ideology, electoral behavior, institutions, political reforms, as well as political representation. On these subjects has published abundantly (nationally and internationally). He was a regular columnist for Público, 2006-2016, and was a regular columnist for Jornal de Letras, 2017-2021, in addition to other occasional collaborations in the mass media, and has been an expert and guest consultant for several national (FCT, A3ES, DGAI-MAI, AR, etc.) and European institutions.