Wei Lu

Experience

• 

  IBM Research

  Jun 2015 - Oct 2015

  Research Scientist Intern

  Worked at the Smarter Cities Technology Center on projects in transportation, machine learning and operations research. Built and implemented a mathematical model for the Smart Tourism project for route planning considering load balancing at nodes, using CPLEX+Java.

• 

  Ford Motor Company

  Apr 2016 - Mar 2017

  Data Scientist

  Worked as a Data Scientist at Ford's newly established Global Data, Insight & Analytics organization (GDI&A). Developing and implementing end-to-end data-driven predictive and optimization models for several strategical decision-making projects in Marketing and Product Development. Intensively leveraging data science and machine learning algorithms/technologies (e.g., recommender system, feature selection, classification, predictive modeling/analytics) on a daily basis. Presenting insights to executive staff with both technical and non-technical background on a regular basis. Show less

• 

  Amazon

  Apr 2017 - Dec 2021

  Applied Scientist

  As an Applied Scientist in Machine Learning, I am responsible for both the algorithm prototype and experimentation, and also the implementation of the algorithms into production code.I am particularly interested and experienced in machine learning models in low latency ads serving systems, as well as the unification of the scientific performance metrics and business metrics of a machine learning model, especially in the context of recommended ads sourcing and ads relevance. Other projects I've worked on: machine learning platform, exploration-exploitation, NLP etc. Show less

• 

  Meta

  Dec 2021 - May 2024

  Research Scientist

  Ads ranking model training for several Facebook products (newsfeed, reels, story etc.)

• 

  Amazon

  Jun 2024 - now

  Senior Applied Scientist

  LLM post-training and GenAI agents