Sierra raises $950M Series E led by Tiger Global and GV

Sierra@SierraPlatformMay 4, 2026

Series E - raising $950 million from new and existing investors, led by @Tiger_Global and @GVteam, at a valuation of over $15 billion. Sierra now has more than $1 billion to invest in becoming the global standard for companies transforming their customer experiences with AI.

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Launched May 4, 2026View post

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Kraken deploys utility-specific AI agents

@SierraPlatform

Four weeks from project launch to live production. That's how fast Kraken deployed utility-specific AI agents that handle complex, regulated, domain-specific journeys for 1.3 million customer accounts. Read more: https://t.co/C6i16XwQ6F https://t.co/5wB9LenROZ

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