Trained as a dentist in Honduras, Xabier spent his first two years serving patients in the poorest and most dangerous parts of San Pedro Sula. He now practices in Barcelona, Spain. Xabier holds several postgraduate certificates in dental specializations, has a Master in Dental Sciences (University of Barcelona), a Masters degree in Sleep Medicine (University of Basque Country), and an MBA (Esade Business School). He has published and teached nationally and internationally. Xabier focus on living his life according to Stoic principles and deepening his Stoic knowledge by teaching. He joined the College faculty in 2022.