Option II: A Bachelor's degree from an accredited college or university in a field of applied research such as Data Science, Machine Learning, Mathematics, Statistics, Business Analytics, Psychology, or Public Health that included 12 semester or 18 quarter units of coursework in data science, predictive analytics, research methods or statistical analysis -AND- Eight (8) years of experience, including four (4) years supervising a team of data science professionals and serving as subject matter expert, and coordinating and overseeing complex data science projects to support program, policy, and operational decision-making. In the County of Los Angeles, experience at a level equivalent to Senior Data Scientist is defined as leads the development and application of methods to identify, collect, process, organize, and analyze structured and unstructured data using advanced statistical prediction, inference, and optimization; effectively communicates results to County, departmental, and divisional decision makers and provides ongoing support to strengthen data-driven program design and management.