Tracy Zhang Email & Phone Number

As a data science and insights professional, I have delivered significant improvements in business through data storytelling and machine learning techniques. I have a unique and diverse background spanning psychology, statistics, and engineering, with post-graduate degrees from Harvard and MIT.I am currently a senior data scientist at Spotify and I have worked on data science applications across domains including:* Personalization for user experience* Recommendation for e-commerce* Customer segmentation and User behavior modeling* Online experimentation / AB testing* Ad auctions and biddingAreas of specialization:- 8+ years experience in machine learning and advanced analytics (regression, classification, clustering, PCA, random forest, XGBoost, time series analysis) across fields in sales, marketing, operations management, social network, and user experience.- 4+ years experience leading data science projects; delivered multiple star products with high visibility and achieved significant revenue gains.- Proficient in Python, R, SQL, Hive, Presto, Linux Shell, Tableau, MS Office, MATLAB, Stata, SPSS.You can contact me at tzhang@alum.mit.edu.

Listed skills include Quantitative Research, R, Data Mining, Big Data, and 13 others.