Sisi Chen

Staff Data Scientist at Meta

New York City Metropolitan Area

About

Experience

  • Senior Data Scientist at Zoox
    Jun 2025 - Present · 1 yr 2 mos

    • Conduct large-scale data analysis on autonomous vehicle fleet logs to identify system failure patterns and quantify risk drivers • Designed metrics frameworks to evaluate perception system performance and diagnose anomaly patterns across millions of sensor frames • Developed statistical analyses and prototype models to understand relationships between perception errors and downstream outcomes • Collaborated cross-functionally with engineering and research teams to translate analytical insights into product and system improvements

  • Staff Data Scientist at Meta
    Aug 2022 - May 2025 · 2 yrs 10 mos

    Designed the measurement framework and metrics for AI workflow debuggability, hardware ROI, and user violation enforcement. Led long-term hardware capacity planning, aligning investment plans across 10+ monetization orgs, Finance, and senior leadership. Led infrastructure cost attribution, providing deep insights into hardware usage to identify costsaving opportunities and improve efficiency.

  • Data Scientist/Tech Lead at TikTok
    Jul 2020 - Aug 2022 · 2 yrs 2 mos

    Designed the measurement framework of TikTok Shop & Collection Ads Identified bottlenecks and opportunities for TikTok Shop growth Created and improved audience engagement metrics for TikTok monetization products Standardized the process of AB testing Analyzed the impact of IOS 14.5 on experimentation and product iteration Established revenue forecast methodology and built targeting strategies that aligned the efforts of sales, marketing, and data teams

  • Data Analyst II at Uber
    Feb 2020 - Jul 2020 · 6 mos

    Analyzed global customer support data, identified three major sources of procedural delay and found opportunities to improve SLA by 30% Created methodology to identify unproductive patterns in support ticket actions

  • Advanced Analytics Manager at GSK
    May 2016 - Feb 2020 · 3 yrs 10 mos

    Conducted extensive marketing mix modeling analysis to measure the efficiency of digital ads including social networks, videos, banner ads, and search on consumer health products Created a cluster-based approach to generalize knowledge obtained in selected markets Developed a model-based methodology as an internal alternative to vendor forecasts, standardized revenue forecasting process and drove its adoption by all departments