[AI Training Environment Company Plato Announces $16 Million Series A Funding Round Led by Nava Ventures] BlockBeats reported on October 28th that Plato, an AI training environment company, announced the completion of a $16 million Series A funding round led by Nava Ventures, with participation from Gradient Ventures, Transpose Platform, and Microsoft AI CEO Mustafa Suleyman. Nava Ventures founder Freddie Martignetti will join the board of directors. Following this round, Plato's total funding reaches $19 million. Its seed round was previously led by Gradient Ventures. Founded in 2025 and headquartered in San Francisco, Plato builds resettable and reusable simulated work environments for AI labs, covering roles such as customer support, human resources operations, finance, accounting, and healthcare administration. These environments are used for reinforcement learning training and model evaluation, preventing the practical consequences of training models in real systems. [Original Link]