XI CHEN
Palo Alto,CA
Overview
20
20
years of professional experience
Work History
Senior Data Science Manager (Director Scope)
META PLATFORMS, INC.
01.2015 - Current
- Led Monetization Ranking AI strategy, managing a team of 20 data scientists to deliver multi-billion-dollar revenue growth while transitioning the organization to a user-centric, data-driven approach.
- Directed Generative AI product strategy for Instagram, overseeing model performance, experimentation, and quality measurement for media generation across Stories and Direct.
- Managed and scaled a data science organization of 30+ (including 6 managers), driving analytics, experimentation, and measurement across billion-user platforms (Groups, Events, Profiles).
- Built and operationalized 0→1 data science infrastructure, including data pipelines, measurement frameworks, and experimentation standards, while ensuring platform integrity through proactive risk monitoring and governance.
Product Intelligence Manager / Data Scientist II
MICROSOFT CORPORATION
05.2013 - 01.2015
- Established a robust statistical experimentation framework for Office Web Applications (PowerPoint, Excel, Word, OneNote), enabling consistent, data-driven product decisions across teams.
- Defined and operationalized core product metrics, data pipelines, and scalable A/B testing practices to support continuous optimization.
- Acted as lead analyst for Yammer mobile (iOS & Android), generating insights and executing early-stage mobile experiments to enhance user engagement.
- Implemented unified logging and performance tracking standards across mobile platforms, improving data accuracy and cross-functional visibility.
Financial Engineer / Quantitative Analyst
ALLSTON TRADING, LLC.
06.2008 - 07.2011
- Developed and implemented quantitative pricing models, including binomial tree and SABR models in Java, for production-level options trading strategies.
- Built and maintained large-scale back-testing systems in MATLAB to evaluate trading strategies using historical market data and yield curve forecasting.
- Designed statistical reporting systems to automate performance analytics and visualize outcomes across 70+ trading products.
- Created trading support tools in Excel VBA and MATLAB, including real-time pricing snapshots, market alerts, and fair value estimation models.
Teaching Assistant of FINM36702 Portfolio Theory and Risk Management II
THE UNIVERSITY OF CHICAGO
05.2010 - 06.2011
- Facilitated in-class and online review sessions for graduate-level courses in Portfolio Theory and Risk Management, supporting student understanding of advanced financial concepts.
- Explored and explained core quantitative finance topics including Capital Asset Pricing Model (CAPM), factor models, utility theory, and risk measurement techniques.
- Supported academic instruction by reinforcing complex concepts in Value-at-Risk, credit risk theory, and portfolio optimization through structured problem-solving sessions.
Intern in Operation Center
GUOTAI JUNAN SECURITIES CO., LTD.
03.2007 - 05.2007
- Prepared and submitted quarterly regulatory reports to the China Securities Depository and Clearing Corporation, ensuring compliance with operational standards.
- Monitored and managed operational risk across brokerage accounts, including large fund transfers and exception reporting.
- Supported regulatory investigations by analyzing and flagging questionable accounts for review by the China Securities Regulatory Commission.
CITIBANK, N.A. SHANGHAI BRANCH
07.2006 - 08.2006
- Consolidated and maintained sales and marketing data, including daily schedules, weekly pipelines, and performance tracking metrics to support business reporting.
- Supported commercial banking operations by processing and documenting payment and income orders for key clients in the Yangzi River Delta region.
- Assisted relationship managers by organizing client information and ensuring accurate, timely updates for sales performance monitoring and reporting.
Education
Master of Science - Financial Mathematics
THE UNIVERSITY OF CHICAGO
Chicago, Illinois08-2008
Bachelor of Economics and Finance - undefined
SHANGHAI JIAO TONG UNIVERSITY (SJTU)
Shanghai, China07-2007
Skills
- Data Science / Machine Learning / Generative AI / A/B Testing & Experimentation / Statistical Analysis / Data Strategy / Product Analytics / Monetization Strategy / Consumer Segmentation / Predictive Modeling / Ranking Algorithms / Data Engineering / SQL / Python / R / MATLAB / Java / Tableau / Data Visualization / Financial Modeling / Stochastic Modeling / Time Series Analysis / Experiment Design / Causal Inference / Big Data Analytics / Cross-Functional Leadership / Team Building & Scaling / Strategic Thinking / Problem Solving / Decision Making / Communication / Stakeholder Management / Mentoring & Coaching / Innovation / Adaptability / Project Management / Business Acumen
- Monetization & Ranking: ML Ranking Strategy, Auction Dynamics, LTV Prediction, Signal Growth
- AI Leadership: Generative AI Evaluation, Model Reliability, Performance Measurement
- Org Design: Scaling organizations from 0 to 30, Manager-of-Managers leadership
- Technical Stack: Python, SQL (Vertica), MATLAB, R, Java, VBA, Tableau
Timeline
Senior Data Science Manager (Director Scope)
META PLATFORMS, INC.
01.2015 - Current
Product Intelligence Manager / Data Scientist II
MICROSOFT CORPORATION
05.2013 - 01.2015
Teaching Assistant of FINM36702 Portfolio Theory and Risk Management II
THE UNIVERSITY OF CHICAGO
05.2010 - 06.2011
Financial Engineer / Quantitative Analyst
ALLSTON TRADING, LLC.
06.2008 - 07.2011
Intern in Operation Center
GUOTAI JUNAN SECURITIES CO., LTD.
03.2007 - 05.2007
CITIBANK, N.A. SHANGHAI BRANCH
07.2006 - 08.2006
Master of Science - Financial Mathematics
THE UNIVERSITY OF CHICAGO
Bachelor of Economics and Finance - undefined
SHANGHAI JIAO TONG UNIVERSITY (SJTU)