César Arjona is a professor at Esade Law School, where he teaches in the fields of legal theory and ethics. He has published extensively in English and Spanish. His research interests include professional legal ethics and the theory of transnational law.
He has been a visiting professor at Pompeu Fabra University (Barcelona), ICADE (Madrid), Bucerius Law School (Hamburg) and at the Centre for Transnational Legal Studies (London), where he also served as academic co-director.
He has been a speaker in several European and North-American institutions, including the Free University of Berlin, the Max Planck Institute in Halle, the University of Southampton, the University of Victoria, Santa Clara University, Boston College and Georgetown. He is a non-practicing member of the Law Society of Barcelona.