20th PORTUGAL International Conference on Marketing, Economics, Education and Disaster Management (ME2DM-21)  scheduled on April 12-14, 2021 Porto (Portugal) is for the researchers, social-scientists, scholars, engineers and practitioners from all around the world to present and share ongoing research activities. This conference provides opportunities for the delegates to exchange new ideas and application experiences face to face, to establish business or research relations and to find global partners for future collaboration.