Reggio: Brex uses Sierra because CX agent administration is not differentiated
James Reggio · Brex’s AI Hail Mary — With CTO James Reggio (acquired for $5B by Capital One!) · Jan 17, 2026 · at 51:23
Brex CTO James Reggio explains why Brex decided to buy Sierra rather than build its own customer support agent interface in-house.
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“That's like solving problems that are not differentiated enough for us. I think what, what's interesting about the Sierra that has been really helpful is that again, it's really easy for like the UI and UX of basically administering a Sierra agent is something that's really accessible for the ops and CX strategy team, which are like, it's much more low code and more sort of workflow and DAG oriented.”
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