J.M. Contreras is a co-founder of Aymara, a company dedicated to developing and deploying tests that measure unintended harms in generative artificial intelligence (AI) systems. With a strong commitment to making AI safer for humanity, He brings a decade of professional experience in the field. Currently, he serves as an applied science manager at Uber, where he leads a team at the intersection of technology, law, and policy. Prior to his role at Uber, he held positions where he led data teams at both a fintech startup and a political party, gaining valuable expertise in data management and analysis. He holds a doctorate in cognitive neuroscience from Harvard University, where his research focused on group perception. He conducted his research in one of the laboratories at the forefront of scientific measurement of implicit bias in humans, contributing to the understanding of this important phenomenon.