Joan Marsal Guillamet is member of the International Society of Family Law and of the Spanish Section of the Association Henri Capitant des amis de la culture juridique française.

S.J.D. Marsal Guillamet
was Senior Lecturer in the Private Law Departament at University of Barcelona Law School (2001-2011). He was visiting Professor at the University of Puerto Rico Law School (2004, 2006 and 2008) and at the University of Paris 2 Law School (2006). He has been member of the Catalan Law Commission (2009-2010), a REDPEC fellow and a  non practising member of the Barcelona Bar Association (1992-2011).