José Duarte da Rocha Santos received his PhD in Management from Vigo University. He also holds an MSc in Marketing and a bachelor’s degree in Business Sciences. Between 1987 and 2002, he played various roles in sales, marketing, and management of companies in the information technology sector. From 2003 to 2018, he was a management and marketing consultant. Since 1999, he has been a professor in higher education in Portugal in the fields of management and marketing. He is currently a marketing professor at the Accounting and Business School of the Polytechnic of Porto (ISCAP/P.PORTO). He is also a senior researcher at the CEOS.PP - Centre for Organizational and Social Studies of the Polytechnic of Porto, Portugal. His main areas of research are relational marketing and digital strategies of customer relationship.