Hypergrowth and Global Expansion -- Sierra's $100M ARR in Seven Quarters

Sierra hit $100M ARR in just seven quarters after launching in February 2024, making it one of the fastest-growing enterprise software companies in history. By early 2026, the company reached an estimated $150M+ ARR with a $10B valuation. This module covers Sierra's explosive growth, its enterprise customer base spanning tech companies and legacy brands, global expansion into Tokyo, France, Singapore, and London, and the competitive landscape against Zendesk, Intercom, and other AI agent startups. Candidates who can discuss Sierra's market position with specificity will demonstrate serious preparation.