Carolina R. Buitrago has been an EFL teacher for more than 20 years. She holds a B.A. in ELT from Universidad Pedagógica Nacional in Colombia, a certificate in English from Mount Holyoke College in the US, and a Master’s degree in Educational Technology and TESOL from the University of Manchester in the UK. She also pursued four certifications in the field of positive education at Universidad Tecmilenio. She currently works in various educational settings as a teacher educator and instructional designer. Carolina has spoken at different national and international conferences including ISTE, TESOL International, COPEI in Ecuador, and ELT conferences in Colombia. She has also worked as an associate editor of the Latin American Journal of Content and Language Integrated Learning (LACLIL) and the Educational Learning and Research Journal -GiST. Carolina has co-written teacher training materials for the Ministry of Education in Colombia, academic articles, and working papers, and she co-authored the book In-class flip: A student-centered approach to differentiated learning with Martha Ramirez and published by ISTE in 2022. She is a member of the Board of Directors of the Flipped Learning Network since 2021.