Eswaran Subrahmanian (known as "Sub") is a cross-disciplinary computer scientist and engineering design theorist, working at Carnegie Mellon University and the National Institute of Standards and Technology. He is also a visiting honorary professor at the International Institute of Information Technology, Bangalore.
He coauthored We Are Not Users: Dialogue, Diversity, and Design[1] in 2020, as well as numerous papers[2] on design theory and practice, emphasizing its participatory and pluralistic aspects.