Shirley Zhu

Experience

1. Staff Applied Scientist

   Uber

   Jun 2019 — Present · San Francisco, CA, US

   Rider Production Recommendation (2021 - present)- DL, recommendation systems, personalization, feature engineering, ranking model evaluations, counterfactual evaluation methods for recommenders, multi-objective optimization, exploitation vs exploration trade-offs, reinforcement learning, rider segmentation, long-term value, etc- Led cross-team collaborations on aligning objective functions, joint optimization, revamping model architecture, pricing <> ranking interactions, etc- Experimentation platform (20••••21)- Lead the development of statistical models and methodologies to ensure better inference of experiment results- Lead the design and development a python stats package from scratch, which is now used as both the backend for Uber\'s new experimentation platform (Citrus) and an importable package for all Uber data scientists- Collaborate with the engineering team to design, prototype and implement scalable distributed experiment analysis solutions to ensure performance- Support metric standardization from definition, computation and quality to consumption.

Education

• The University of North Carolina at Chapel Hill

  PhD, Environment engineering, School of Public Health

• Tsinghua University

  BS, Environmental Engineering

Skills

• Environmental Biotechnology
• Soil Remediation
• Characterization
• Statistics
• Environmental Awareness
• Wastewater Treatment
• Equipment Analysis
• Risk Assessment
• Enhanced Oil Recovery
• Matlab
• Autocad
• Environmental Remediation
• Water Resource Management
• Client Relations
• Mathematical Modeling
• Risk Management
• Environmental Engineering
• Data Analysis
• Python
• Community Outreach
• Latex
• Chemical Engineering
• Sql
• R
• Exposure Assessment
• Sampling
• Project Management
• Water Resources
• Groundwater Contamination
• Sas