Matthew is a Research Scientist at the ISPH. Trained as both a pharmacist and epidemiologist, his expertise includes study design, study monitoring, and data analysis. Methodologically, he has a special interest in missing data analysis and Mendelian randomization. His prior research experience includes managing a randomized controlled trial of oral HIV testing in Kenya and a multi-country validation study of new diagnostic criteria for neurocysticercosis. His subject matter expertise is in primary health care and chronic diseases, particularly among migrant populations. He is fluent in English and Spanish, and has basic working proficiency in Portuguese.