Enterprise GTM & RevOps AIGrowthClear buyer pullAI agents accountable for customer outcomes.
Enterprise GTM & RevOps AIAI agents accountable for customer outcomes. Sierra builds customer-facing AI agents that resolve requests and complete transactions across voice and digital channels, with a platform spanning development, deployment, and improvement.
Bret Taylor
Co-founder
Clay Bavor
Co-founder
Editorial estimates from product descriptions. Model providers and actual usage are not confirmed.
Latest funding: Venture round · $950M · May 4, 2026. Lead investor: Tiger Global; GV.
Profile source review: 2026-11-04. Current AI product, canonical identity, active operations and NYC presence. Funding not rechecked unless a linked funding correction is recorded. Official May 7, 2025 post announces the New York office, with later company post confirming it among operating offices. The latest company funding announcement says it is raising $950M and does not give a series letter; Growth is used rather than a third-party Series E label. Localized official pages carry English article text and exact dates.
Manhattan · reported office
11 East 26th Street, New York, NY. Current occupancy not confirmed. Reported new lease; completed move-in was not verified. Sierra's primary May 2025 company announcement confirms a New York office and hiring but gives no street. Do not assume this lease means its earlier SoHo office has closed, or that employees already occupy the new space. No neighborhood assigned from Midtown South submarket terminology.
AI Firm Sierra Signs 94K-SF Deal at Rockrose’s 11 East 26th Street ↗Source checked 2026-11-03 · original source 2026-05-01
Sierra is tagged clear buyer pull based on buyer clarity, repeat workflow activity, public activity, and fit with the AI Atlas map.
Hiring
25 roles from the company's careers page.
Updated less than 1h ago
What you’ll do Design and deliver production-grade AI agents: You'll build and ship highly performant, reliable, and intuitive AI agents that are central, mission-critical and drive revenue directly to Sierra's growth.
What you’ll do Design and deliver production-grade AI agents: You'll build and ship highly performant, reliable, and intuitive AI agents that are central, mission-critical and drive revenue directly to Sierra's growth.
What you’ll do Design and deliver production-grade AI agents: You'll build and ship highly performant, reliable, and intuitive AI agents that are central, mission-critical and drive revenue directly to Sierra's growth.
What you’ll do Design and deliver production-grade AI agents: You'll build and ship highly performant, reliable, and intuitive AI agents that are central, mission-critical and drive revenue directly to Sierra's growth.
We build agents for the moments that matter, helping our customers rise to the occasion when service disruptions, major product launches, or global events like the World Cup drive millions of customer interactions.
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