Sirui Bi

About Sirui Bi

I am a machine learning scientist at Walmart with an Applied Mathematics B.S. and Engineering Ph.D. from Johns Hopkins Expert in search Ads retrieval & recommendation, large language models (LLMs), computer vision and multimodality model • 4+ years of experience in developing and deploying large-scale ML/AI systems for e-commerce and 5 + years of experience in imaging analysis and computer vision, e.g, image reconstruction, object detection, anomaly detection, image regression, and classification 5+ years of ML/AI in high-performance computing, including distributed deep learning, model deployment, and scalability improvement (up to 100 nodes, and 600 V100 GPUs) on the fastest supercomputer, ORNL Summit Strong track record of leading technical initiatives and driving innovation in ML/AI Technical skill: Python, PyTorch, Scikit-learn, TensorFlow, TensorBoard, Hugging Face, Spark, GCP, Selected publications in top-tier AI/ML conferences, e.g, AISTATS, NeurIPS, ICLR workshop-[WACV 2024] On the Quantification of Image Reconstruction Uncertainty Without Training Data-[ 2023]Accelerating Inverse Learning via Intelligent Localization with Exploratory Sampling-[CVPR 2022 workshop]Probabilistic Flow-based Models for Semi-Supervised Anomaly Detection and Localization-[AISTATS 2021] A Scalable Gradient Free Method for Bayesian Experimental Design with Implicit Models-[NeurIPS 2021 Workshop] Self-Supervised anomaly detection via neural autoregressive flows with active learning-[ICLR 2021 Workshop] Toward efficient uncertainty estimation in deep learning for robust energy prediction-[NeurIPS 2020 Workshop] Scalable deep-learning-accelerated topology optimization in additive manufacturing.

Experience

1. Staff Ai Scientist

   Intuit

   Jan 2025 — Present · Mountain View, CA, US

   Lead LLM-powered retrieval, ranking for CRM Sales Agents, enabling intelligent customer discovery and next-best-action recommendation· Build LLM-powered agentic conversational systems with tool use and memory

Education

• The Johns Hopkins University

  Doctor of Philosophy - PhD

  2015 — 2020