Sophie Wei

About Sophie Wei

With 6+ years of experience in the Data Science landscape, I specialize in architecting end-to-end Search & Discovery ecosystems within the E-commerce domain. Currently, I lead the data science initiatives for the Search Thrust at Fanatics, where I’ve spent the past 5 years transforming how millions of fans discover and interact with their favorite sports gear.My expertise lies at the intersection of Search Relevance, Machine Learning, and Customer Personalization. I have a proven track record of:Re-defining Search: Driving the roadmap for search ranking and retrieval, leveraging Learning-to-Rank (LTR), Semantic Search, and NLP to maximize Revenue per Search (RPS) and CVR. Building Customer Ecosystems: Developing sophisticated user profiling and personalization frameworks that bridge the gap between static data and real-time intent, creating a cohesive \"Personalized Mall\" experience.Leveraging AI Innovation: Integrating GenAI and LLMs to enhance query understanding and automate metadata enrichment, ensuring our search engine stays at the forefront of AI-driven commerce.I am passionate about solving complex, high-scale optimization problems and translating deep technical insights into measurable business growth.Core Tech Stack: Learning to Rank (LTR), LLMs, Vector Search, A/B Testing, Spark, Python, SQL.

Experience

1. Data Scientist

   Fanatics

   Jan 2021 — Present · San Francisco, CA, US

Education

• University of Pennsylvania

  M.S., Statistics, Measurement , Assessment, and Research Technology (SMART)

  2017 — 2019

• University of Pennsylvania

  M.S., Applied Linguistics

  2016 — 2019

• University of Pennsylvania

  Summer Program, 21th Century Government and Society

  2014 — 2014