2020-2021: Led the data organization that focuses on learner and educator experience, Skills Graph, and Content Intelligence; a team of Data Scientists, ML Engineers and Economists to help launching learners into dream jobs with the best-in-class learning platform, relevant content and skills-centric learning experience; help educators creating great courses at scale with AI-assisted data products. 2021-2022: Leading the data teams that focus on learner & educator platform experience, growth, content & marketing intelligence, with a centralized data engine and end-to-end AI application and MLOps function; a team of Data Scientists, AI Engineers and Economists to support Coursera's lifelong learning ecosystem, help learners launch into dream jobs, help employers drive high-impact skills development and make great hires.

2015-2017: Started as the first Data Scientist in Groupon Goods and built a team from scratch; developed and launched the first pricing optimization system and the first demand forecasting assortment optimization system. 2017-2018: Led a team of Data Scientist and Analysts with a focus on building key intelligence and delivering machine learning solutions on demand forecasting, pricing and assortment planning in partnership with product, engineering, merchandizing and operations.2018-2020: Lead transformational initiatives across supply chain optimization, pricing, supply intelligence and discovery conversion to increasing customer engagement experience and drive profitability.

Developed forecasting and pricing models for $56M inventory with 16% improved gross profit.Launched end-to-end analytics framework across strategic sourcing, inventory management, replenishment planning, and vendor management and business development.

Analyzed and preprocessed 20GB+ traffic data and weather data for four large urban transportation networks, with SQL.Extracted and analyzed location and travel time information from GPS data, with C++.Developed real-time weather responsive traffic simulation model on large urban traffic network over 174 zones and 1168 links.Calibrated real-time traffic flow model using Analysis of Variance (ANOVA) and non-linear regression, with MATLAB.

Designed intelligent control system for an 8-week construction project, completed the system design and implementation which achieved 25% reduction of energy consumption Partnered with client of the KNX smart-home design program by providing product training and technical consulting Received ABB Technology level I certification for i-bus intelligent building control system