Thread AI, Inc.

Based in New York, US, and founded in 2023 by Angela McNeal and Mayada Gonimah, Thread AI, Inc. offers a composable artificial intelligence infrastructure platform for enterprises to design, implement, and manage various workflows. In June 2025, Thread AI raised USD 20 million in series A funding led by returning investor Greycroft Partners, with participation from another returning investor Index Ventures. New investors Scale Venture Partners, Plug and Play Ventures, Meritech Capital Partners, and Homebrew also participated in the round.

Lemma is an AI orchestration platform developed by Thread AI, designed to integrate AI systems across workflows and infrastructure in a secure and observable environment. The platform facilitates the design and management of event-driven workflows involving AI models, APIs, databases, and applications. Moreover, the firm also includes features such as human-in-the-loop guardrails, dynamic workflow execution, ETL support, and resilient model fallback mechanisms, and prioritizes data security and compliance with encryption, flexible deployment, and automated vulnerability scanning. The company intends to use the October 2024 funding to expand its public sector presence, increase hiring in the coming months, and expedite its growth.