Backed by Gradient Ventures, Google’s AI focused venture fund, Startup Enables Machine Learning Teams to Create and Manage Labeled Training Data SAN FRANCISCO, April 9, 2019-- Labelbox, a collaborative training data platform for machine learning applications, today announces a Series A round of $10 million in capital led by Gradient Ventures, Google’s AI-focused venture fund, with participation from previous investors Kleiner Perkins, First Round Capital, and angel investor, Sumon Sadhu. Anna Patterson, founder and Managing Partner at Gradient Ventures, VP of Engineering at Google, and Square board member, will join Labelbox’s board.