Mark Díaz is a Research Scientist with the Ethical Artificial Intelligence team at Google. His primary research probes the origins of social bias in data sets and data annotations and its influence on algorithmic performance. He also explores approaches to involving members of historically marginalized groups in the development and evaluation of AI systems. He completed his Ph.D. in Technology & Social Behavior, a joint program in Computer Science and Communication at Northwestern University where he was advised by Darren Gergle. Before completing his doctoral work, he worked as a graduate fellow at SMART Chicago, a nonprofit focused on technology access and equity in Chicago. He also previously worked in Accenture Labs developing virtual reality mobile applications and as a research assistant studying social identity in the Virtual Human Interaction Lab with Jeremy Bailenson at Stanford University (VHIL).