About me

Leo (Miao) You currently an Senior Data Scientist at Circle K. Prior to Circle K, he’s been working as a data analyst for over 5 years at Center for Vein Restoration - the nation’s largest physician owned vein clinic treating varicose veins and venous insufficiency.

As a graduate from University of Maryland in Marketing Analytics and Harrisburg University of Science and Technology in Analytics, Leo (Miao) You’s professional passion are data analysis and visualization, statistical modelling, data science and machine learning. As a highly motivated Data Scientist, Leo has 6+ years experience in Data Analysis and Machine Learning, 4+ years experience in Marketing Analysis and 1+ year experience in pricing optimization and data-driven merchandising

Technical Skills

• Programming: R, Python, SAS, VBA, PowerShell, HTML, Spark
• Database: SQL/T-SQL, NoSQL, MS SQL Server, Oracle, MySQL, PostgreSQL, MongoDB, Databricks
• Cloud Computing: MS Azure
• BI Tools: Tableau, Power BI
• Data Science & Machine Learning: EDA, ETL, SSIS, General Linear (Linear/Logistics/Polynomial Regression with Regularization), SVM, Bayes, Tree-Based (Decision Tree with pruning, Random Forest, Boosted, etc.), K-NN, Clustering (K-MEANS, DBSCAN, Hierarchical), Hypothesis Testing, SSRS, Advanced Excel (Formulars, Pivot, VBA, Power Query), etc.
• Statistical Methods: Linear and Linearizable Regression models, Generalized Linear models: Poisson and Binary models, Choice modeling using Multinomial logit, Segmentation, Targeting and Positioning using Mixture Cluster and Mixture Regression Models, Conjoint Analysis, A/B Testing, Market Demand Forecasting using Bass, Exponential and Trial-Repeat Models
• Web and Social Media: Google Analytics, Facebook Business Manager
• Marketing Research: Survey Monkey, Qualtrics
• Project Management & Version Control: Agile, Scrum, TFS, Git, Airflow, Docker, Confulence
• Others: Microsoft Office, Sharepoint