Grow your business with data.

Tresl is a data science company located in the Bay Area. Our mission is to connect businesses of all kinds with the right tools and expertise to use their data effectively.


Segments is a customer analytics tool for stores on Shopify. We provide native store insights, intuitive reports, and automated segmentation for your marketing campaigns.

Shopify listing: Segments Analytics Platform

Core Team

John Chao

John Chao

Chief Data Scientist

With 20,000+ hours of data science & predictive modeling experience, John knows what success looks like and has hands-on experience in helping companies build towards their goals and aspirations. John is a firm believer in the human element of data science and analytics in business.

Tony Yin

Tony Yin

Chief Product Scientist

Tony has 7+ years of data analysis and engineering experience, spanning everything from building backend services, to web interfaces, to ETL pipelines. Tony is passionate about the customer experience and solving their problems with amazing products.