Kyonghee Han received her Ph.D. from the Department of Sociology at Yonsei University and is now an assistant professor in the Engineering Education Innovation Center at Yonsei University. She teaches Engineering and Society and Engineering Ethics in the College of Engineering. She has conducted research on how the social roles and identities of engineering and engineers have formed and changed. Her recent research examines how engineers have recognized and changed their sense of social responsibility in relation to a series of technological controversies that have taken place in Korea. She also develops and operates various programs to promote the innovation of engineering curricula. Gary Downey is Alumni Distinguished Professor of Science and Technology Studies and affiliated professor of Women's and Gender Studies at Virginia Tech. A mechanical engineer (B.S., Lehigh) and cultural anthropologist (Ph.D., University of Chicago), he is the author of The Machine in Me and Co-Editor of Cyborgs and Citadels and What Is Global Engineering Education For? He edits the Engineering Studies Series (MIT Press), Global Engineering Series (Morgan & Claypool Publishers), and Engineering Studies journal (Routledge/Taylor & Francis). He is co-founder of the International Network for Engineering Studies, as well as founder of the Engineering Cultures course. He serves as President of the Society for Social Studies of Science (2013-2015).