Weicheng Zhao

Weicheng Zhao

Software Engineer

Weicheng Zhao is a Software Engineer at Snowflake, dedicated to making AI and machine learning more accessible and user-friendly for Snowflake customers. Since joining the company, he has focused on bridging the gap between advanced AI capabilities and practical data applications. Currently, as part of the Cortex AISQL team, he is working to seamlessly integrate Cortex AISQL functionality into the Snowflake SQL ecosystem.

Machine Learning

Scalable Model Serving: An Architectural Overview

Learn how Snowflake ML enables scalable model serving with low-latency inference, centralized governance, and simple deployment

Sumit Das|Weicheng Zhao|Arun Ponnusamy|Tyler Hoyt|Pradeep Dorairaj|Smitha Koduri

JAN 20, 2026|11 min read

MORE POSTSFROM Weicheng Zhao

Optimizing Query Execution in Cortex AISQL

How we made AISQL up to 8x faster and 70x cheaper through AI-aware planning, adaptive model cascading, and semantic join rewriting.

Pawel Liskowski

Paritosh Aggarwal

Dimitris Tsirogiannis

Snowflake AI Research

NOV 04, 2025|8 min read