Sandra Lopes Guerreiro is a seasoned professional with extensive experience in quality assurance and operational excellence within the pharmaceutical sector. Currently serving as the Global Quality, Health, Safety, and Environment Director at ESTEVE and a Mentor at PWN Global, Sandra has held significant leadership roles at Novartis, including Head of Quality for Western Europe and Global Country Quality Operational Excellence Lead, where expertise in continuous improvement and compliance was demonstrated. Previous roles at Johnson & Johnson and Schering-Plough Pharmaceuticals further established a strong foundation in quality systems management and project coordination. Sandra's academic background includes a Graduate degree in Pharmaceutical Sciences from the University of Lisbon and ongoing studies in General Management at IESE Business School.