Ben Dong

Ben is a software engineer on the Knowledge team at Sierra. Previously, he worked on card payments at Stripe and on the home timeline at Twitter. He studied Electrical Engineering and Computer Sciences at UC Berkeley.

Posts by Ben Dong

Meet Linnaeus and Darwin: Search models that drive higher resolution rates

Our purpose-built retrieval and reranking models outperform off-the-shelf ones, driving up to 16 percentage point improvements in resolution rates.

3 April 2026

Discover what Sierra can do for you.

Find out how Sierra can help your business build better, more human customer experiences with AI.

Learn more