1Cell.Ai

1Cell.Ai (formerly OneCell Diagnostics) is a precision oncology diagnostics company founded in 2021 and headquartered in Foster City, California. The company has developed a next-generation, AI-powered single-cell multi-omics platform that analyzes individual tumor cells at the molecular level to deliver real-time, actionable insights for cancer diagnosis and treatment. Its flagship products include OncoIncytes (a proprietary multi-omic cell biopsy platform combining circulating tumor cell and ctDNA analysis), 1Cell SOLO (an AI-driven system for capturing and analyzing individual tumor cells), and 1Cell iCore (an integrated AI analytics platform for managing complex precision oncology data). The company serves clinicians and oncologists, pharma and biopharma partners, key opinion leaders, researchers, and ultimately cancer patients. 1Cell.Ai has been CLIA-certified and presented research at major oncology conferences including AACR 2026. It was co-founded by serial entrepreneur Mohan Uttarwar, who has previously raised over $50M in investment.