1. Professor at Faculty of Tourism University of A Coruña, Master in Tourism Business Management at the State University of Ceará, Fortaleza, Brazil
2. Universidade do Minho, Lab2PT and Department of Geography, Braga, Portugal
3. Researcher at Tourism, Economy and Sustainability Research Group (UECE), University of a Coruna - Zapateira Campus, A Coruña, Spain
4. Full Professor at Parnaiba Delta Federal University (Brazil), Professor at the Masters in Tourism at the Federal University of Paraná (Brazil) and Professor at the Masters in Tourism Business Management at UECE (Brazil)