Micro1 Raises $35M Series A at $500M Valuation Expanding AI Data Solutions

Micro1, founded in 2021 by Ali Ansari, has raised $35 million in a Series A funding round, giving the company a valuation of $500 million. Based in San Francisco, Micro1 provides AI-driven human data solutions. The round included participation from 01 Advisors, a venture capital firm co-founded by Dick Costolo and Adam Bain, the former CEO and COO of Twitter.The funds will support platform expansion, operational growth, and the recruitment of additional human data experts.

Building a Certified Talent Platform

Micro1 was founded to address the growing demand for high-quality human data in AI and machine learning projects. The company leverages a proprietary AI recruiter, Zara, which conducts tens of thousands of candidate assessments monthly. Only the top 1% of applicants are certified to participate in projects. This ensures the delivery of precise and reliable data for clients working on complex AI models.

Ali Ansari, CEO of Micro1, said, “Our mission is to give organizations the human data capabilities they need to operate efficiently and at scale.” The company focuses on combining automation with human expertise to provide datasets that meet rigorous standards required by AI labs and enterprises.

Micro1 has reported rapid revenue growth in 2025, driven by increased adoption among AI development teams. Its platform integrates quality control mechanisms, project tracking, and workflow automation to help clients manage large-scale human data operations effectively.