Asana has acquired the workflow automation company Stack AI, the company announced on Thursday after market closed, part of a larger effort to position itself as an AI-native workplace platform. Stack AI’s founders, Tony Rosinol and Bernard Aceituno, will join Asana as part of the acquisition. The company declined to share financial terms of the deal.

Asana framed the acquisition as part of its broader AI pivot, in which it tries to transform its platform into “the operating system for human-agent teams.”

The announcement was timed to coincide with Asana’s earnings and investor call.

Built as an AI workflow-automation system, Stack AI designs agents to operate within existing business systems, pulling in data from Salesforce, Slack, Goggle Workspace, and other systems. The startup, which was part of Y Combinator’s Winter ’23 cohort, has faced fierce competition from automation tools like Zapier as well as AI labs like OpenAI and Anthropic.

Stack AI had raised just under $20 million, according to Pitchbook data, with most of it coming in a recent $16 million Series A round. That round included funding from Gradient, Epaklon Capital, Lobby VC, LifeX Ventures, and Vercel CEO Guillermo Rauch.