Alexander Costello is a skilled data scientist at The Hershey Company, specializing in workforce analytics and proficient in R, R Shiny, SQL, and machine learning techniques. With experience in statistical programming from Pfizer and a research background from Villanova University, including co-authoring a study on healthcare workers' psychological responses during the COVID-19 pandemic, Alexander has demonstrated expertise in data analysis, survey design, and model development. Previous roles include teaching data science at Bryn Mawr College and financial advising at PNC. Alexander holds a Master of Science in Applied Statistics from Villanova University and a Bachelor's degree in Political Economics and Philosophy from Millersville University.