Brian Mao Email & Phone Number

New York, Ny, Us

New Jersey, United States

•Implemented end-to-end machine learning methodologies (XGBoost, random forest, K-mean) for user profiling, segmentation, and dynamic labeling, leading to a 17% increase in email open rates.•Deployed an end-to-end Natural Language Processing (NLP) tool to effectively monitor and analyze public sentiment regarding our company and its social media presence, enhancing user experience.•Utilized machine learning to detect and label high-frequency and high-success-rate users among Futures trading users, significantly increasing hedge strategy returns.•Conducted comprehensive analysis and visualization of company-wide asset flow and users life time cycle, providing insights to improve resource allocation and reduced turnover rates•Worked with the risk control team to detect repetitive high-risk deal hunters, reducing unnecessary losses and lowering cost per user acquisition by 13%•Applied linear regression models to forecast quarterly OKR data, aiding C-level executives in setting informed goals.

New Jersey, United States

•Developed and maintained data pipelines using Kafka, HDFS and PySpark for integration of data from multiple internal and external sources, including web scraping and third-party APIs, and built an integrated database using CI/CD practices.•Designed and optimized database structures to support scalable data solutions, enhancing data retrieval and storage efficiency•Gathered functional requirements and translated them into scalable, high-quality data solutions, automating the dispatch of over 120 BI dashboards and streamlining report generation.•Optimized SQL queries and database structure, reducing Tableau and Supersets BI tools data population time by 90%.

Greater New York City Area

• Improved performance of Google Search and Google Assistant results by refining capability in various languages and locales, including Korean, Chinese, Japanese.• Performed tasks related to internationalization (i18n) of Google Search and Google Assistant products, including testing, evaluation of test results in Three different languages, writing/editing documentation, and streamlining of testing/evaluation processes to facilitate development and reduce time to deployment.• Added grammar in foreign languages to allow for the triggering of the Google OneBox in Google Search, and triggering of Google Assistant responses in foreign languages and locales.

Greater New York City Area

• Delivered IT solution and developed forecasting tools for entire Long Term Volume Forecast project with PGS client, such as raw data collection, data cleaning and normalization, KPIs’ visualization leveraging VBA, MS Access and Tableau• Led team in developing tools, mainly Tableau, SPARK (big-data) and SQL, provides RWDA client with a holistic view of most important KPIs for different products/diseases• Implemented practice of creating executive summaries for each delivery to provide client with an overview of product’s performance, drawing connections between KPIs

Master Of Science - Ms, Data Science, 3.95/4.0

Machine learning, Applied Deep learning, Intro to Database, Big data analytics, Algorithms for data science, Applied Machine learning.

Bachelor'S Degree, Statistics, 3.9/4.0