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Riva Belas-Guzman is a seasoned professional with extensive experience in quality control and regulatory affairs within the pharmaceutical and biotechnology sectors. Currently serving as a Medical Writing Quality Reviewer at Pfizer, Riva conducts quality reviews and ensures the accuracy of clinical regulatory documents. Previous roles include Document Quality Specialist at Arena Pharmaceuticals, where Riva verified regulatory submission documents for compliance and quality, and Quality Control Supervisor and Analyst at Stemedica Cell Technologies, responsible for overseeing analytical testing and environmental monitoring. Riva also has experience in food safety as a QA Supervisor at Portion Fillers Inc. and has held various quality assurance roles at Edward Keller Philippines, demonstrating a strong foundation in microbiology and regulatory practices. Riva holds a Bachelor's degree in Biology with a major in Microbiology from the University of the Philippines.