David García Hermosilla is an operational air traffic controller with TWR and TMA experience, and an en-route OJTI instructor. and supervisor in Barcelona ACC. He has a focus on human performance and on stress management, including mindfulness-based stress reduction in the workplace. He is a Certified MBSR Instructor by IMTA, Human Factors Practitioner by EUROCONTROL, team resource management facilitator and critical incident stress management regional coordinator.