António de Castro Caeiro is Professor of Philosophy at NOVA FCSH and a researcher at IFILNOVA. He teaches Ancient and Contemporary Philosophy across undergraduate, master’s, and doctoral programmes. In translation seminars, he teaches philosophical Greek and Latin. He has held visiting research appointments at the Albert Ludwig Universität (Germany), the University of São Paulo (Brazil), the University of South Florida (USA), and Oriel College, University of Oxford (UK). His scholarly contributions include translations of Aristotle’s Ética a Nicómaco (7th ed., first published in 2004), Fragmentos dos Livros Perdidos: Diálogos e Obras Exortativas (INCM, 2014), Constituições Perdidas (Abysmo, 2018), and Fragmentos Científicos (Abysmo, 2021); of Pindar’s Odes Píticas (Quetzal, 2010) and Odes Olímpicas (Abysmo, 2017); and of Georg Trakl’s Poemas (Abysmo, 2019).
He is also the author of original philosophical essays, including São Paulo: Apocalipse e Conversão (Aletheia, 2014), Um Dia Não São Dias (Abysmo, 2015), and Reflections on Everyday Life (Cambridge Scholars Publishing, 2019). He has published extensively in peer-reviewed journals, including recent works such as “Paradoxes of Emotional Life: Second-Order Emotions” (Philosophies, 2022), “Aiming for True Life as an Act of Choice” (in Aristotle on Truth, Dialogue, Justice and Decision, Springer, 2024), and “Life-Space: Is It Anywhere Outside Our Minds?” (Psych, 2024).
His book O que é a filosofia? (Tinta-da-China, 2023), winner of the Portuguese Philosophical Society’s 2024 Essay Prize, is currently in its third edition. His most recent book, Sobre os Sentimentos (2nd ed.), was also published by Tinta-da-China in 2026.
He is also actively engaged in public outreach and has directed a series of public courses at the CCB, including O que é a filosofia? (2020), Sobre os sentimentos (2024–2025), and A verdade da mentira (2025–2026). Podcasts of these courses are available on major platforms, including Spotify and Apple Podcasts.
