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Sangsu Lee Ph.D.
Sangsu Lee is an associate professor at the Industrial Design Department at KAIST. He received his Ph.D. at the Human-Centered Interaction Design Lab at KAIST, then worked as a UX Lead at Samsung Mobile, designing user interfaces for the Galaxy series. He now leads the Next Interface lab at KAIST, which focuses on designing more natural and human-centered interfaces and user experiences based on a deep understanding of human needs and an insight into the ever-evolving technologies and societal trends. His research interests lie in the field of human-computer interaction, with a focus on practical design research that bridges the gap between academic research and industry practice. He is also currently leading the NH Investment & Security - KAIST UX Design Research Center.
Minha Lee Ph.D. Candidate
Minha Lee is a Ph.D. candidate in Industrial Design at KAIST and a member of Next Interface Lab. With a passion for user-centered design, she enjoys identifying timely research areas and conducting user studies for innovative design approaches to improve the user experience. She has experience designing research in Conversational User Interfaces and remote collaboration solutions (particularly in videoconferencing). Her current research focuses on exploring valuable areas in the ecosystem of digital services for sustainable HCI design and developing practical sustainable solutions.
Yunjae J. Choi Ph.D. Candidate
Yunjae J. Choi joined Next Interface Lab in 2020 as a Master’s student. She graduated Handong Global University after majoring in industrial design and business & management. Her keen interest in users led her to research the multilingual user experience of conversational agents. She is passionate about studying user behaviors and defining design problems with qualitative methods.
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Yeon Soo Kim Ph.D. Candidate
Yeon Soo is a Ph.D. candidate at the Next Interface Lab where she also completed her M.S. in Industrial Design.
She earned her B.F.A. in Industrial Design from the Rhode Island School of Design (RISD), where she developed her foundation as a designer, and now works as an HCI researcher focusing on accessibility and inclusive technology design.
Her work explores how AI systems can better support people who are often excluded by mainstream digital services, including individuals with cognitive disabilities or physical disabilities. She is interested in bridging research and real-world practice to design technologies that are not only usable, but also socially responsible and empowering.
Huisung Kwon Ph.D. Student
Huisung joined the Next Interface Lab as a new master’s student in 2023. She majored in Culture and Technology and Psychology at Sungkyunkwan University. She aims to help people more conveniently utilize new technologies. Lately, she has been interested in software interfaces for wearable devices, IoT, and autonomous driving cars.
Jian Jun Ph.D. Student
Jian Jun joined the Next Interface Lab as a master’s student in spring 2024. She received her Bachelor’s degree in Electrical Engineering and Industrial Design at KAIST. She believes that design with new technologies can provide people with meaningful experiences. She hopes that her research can help people to use technologies with meaningful experience, and at the same time propose a future agenda of technology development considering users.
Jeonghoon Han Master Student
Jeonghoon joined Next Interface Lab in 2025 after receiving his Bachelor's degree in Industrial Design from KAIST. His research explores new possibilities for user experience by adapting technology. He is particularly interested in investigating how design can bring out the humane aspects of technology and create opportunities for social connection in everyday contexts.
Suyoun Lee Master Student
Suyoun Lee joined the Next Interface Lab as a master’s student in Fall 2025 after earning her Bachelor’s degree in Industrial Design at KAIST. She is passionate about exploring user experiences and needs in the context of evolving technologies and translating them into thoughtful design solutions. Through her research, Suyoun aims to enable people to engage with technology in more meaningful and enriching ways.
ALUMNI
Jeesun Oh Ph.D
Jeesun Oh has completed her Ph.D. in 2025 at Next Interface Lab, researching voice assistants, proactivity, visual feedback in voice interaction, and voice characteristics. Before she got Ph.D., she has published multiple papers in top conferences in the field, including CHI, DIS, and CUI. She completed a double major in Human Environment and Design (BA) and Business (BBA) at Yonsei University and earned a Master's degree in Digital Design and Branding (MSc) from Brunel University in London, UK. Additionally, she has work experience as a UX/UI designer at a digital product agency and Google ATAP (contract). At the digital product agency, she designed for various platforms, including web, mobile, and tablets. At Google ATAP, she worked on wrist-based wearable devices, gestures, and physiological states.
Sunok Lee, Ph.D
Sunok has obtained her Ph.D. at the Next Interface Lab, KAIST. She holds a Bachelor's degree from Hongik University, majoring in fine art sculpture and metal arts & design. With her creative artistic approach, she focuses on research in art-based design methodology for speculative AI. She is passionate about enhancing the user experience of future technology through the fusion of Art and HCI (Art x HCI). Currently, she continues her research career at Aalto University.
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Nayeong Kim
Nayeong is passionate about identifying everyday life issues and uncovering hidden user needs, particularly those related to emotional experiences and human well-being. Her enthusiasm lies in enhancing user experiences with future technologies, focusing on how technology can support and improve emotional well-being. She joined the Next Interface Lab in the spring of 2024, after earning her Bachelor’s degree in Industrial Design from KAIST.
Soyeong Min
Soyeong joined Next Interface Lab in fall 2023, having earned a Bachelor's degree from KAIST's Industrial Design Department. She completed her Master’s degree at Next Interface Lab in 2025, conducting research on user experience design for safe movie-watching experiences on OTT platforms, which was presented at the CHI conference. She enthuses about identifying daily life-related issues and uncovering implicit user needs. She is pursuing non-disruptive designs with a positive impact across diverse user groups.
Wooseok Kim
Wooseok obtained his Master's degree in 2023, having studied industrial design and computer science at KAIST. His research involved discovering new empirical problems arising from emerging technologies. Specifically, he focused on how users can engage in voice conversations without speaking directly in online communication. Currently, he is active in the industry as a UI/UX design expert.
Jonghak Choi
Jonghak Choi graduated with his Master's degree in 2023. He has studied the discovery and application of design value from theoretical concepts related to organizational behavior in user experience design. Aspiring to become a creative designer who delivers attentive content tailored to specific objectives, he is interested in gaining experience in various fields and experimenting with new approaches.
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