Research interest:  Chronic Rhinosinusitis 

Current address: ENT fellow, Yonsei Severance Hospital 

Ara graduated from Yonsei University College of Medicine and is a board-certified Otolaryngologist. She has an interest in immune responses in diseases such as allergic rhinitis and chronic sinusitis. Currently, her research focuses on how BAFF influences B cell immune responses and contributes to the development of autoimmune diseases. She enjoys spending weekends with her two beloved cats and is passionate about both playing and watching tennis. 

Research interest:  Autoimmune disease

Current address: Ph.D. program in The Ohio State University

Inhyuk received his undergraduate degree in Bio-Convergence from Underwood International College, Yonsei University in February 2023. His research interests lie in autoimmunity, B cell activation, and immune tolerance. He joined the KiLab as an undergraduate intern from March 2022 to March 2023, and continued in the lab as a master's student from March 2023 to August 2025. In August 2025, he obtained his Master's degree (Thesis: Stress induced hormone drives humoral immunity toward autoantibody production). His current research focuses on how psychological stress influences humoral immunity, particularly B cell function. Outside the lab, he enjoys running and playing soccer. 

Research interest: Autoimmune disease

Current address: Oncology fellow, Yonsei Severance Hospital 

Research interest: Antigen format

Current address:  Samsung Bioepis

Youngjae obtained his Bachelor’s degree in Life Science and Biotechnology at Yonsei Univeristy in 2023. He joined this lab as an undergraduate intern in March 2022 and spent a year training in basic experimental techniques and studying B cells. He matriculated to this lab as a Master’s student in March 2023, mainly working on the VLP project aiming to uncover the molecular basis of B cells upon multivalent antigen stimulation. In August 2025, he obtained his Master’s degree (Thesis: “Antigen valency dictates the strength of B cell response”) and is moving on to a new beginning. During his downtime, he enjoys staying active - taking walks, playing soccer, or working out. 

Research interest: Vaccinology

Current address: IVI(International Vaccine Institute)

ChaiWon majored in Medical Science during her undergraduate studies where she developed a strong interest in humoral immunity and vaccinology. Since joining the Ki Lab, she has been involved in vaccine-related research projects, including HPV microneedle development, development of vaccine evaluation platform and virus-like particle (VLP) production. In August 2025, she obtained Master's degree (Thesis: Dvevelopment of human papillomavirus oral buccal mucosa vaccine). In her free time, she enjoys watching movies and avid follower of Formula 1. 

Research interest: Immunotherapy

Current address: Ph.D. course in Seoul National University College of Pharmacy

Research interest: Signaling pathway

Current address: Yonsei Univeristy

Research interest: Hematopoiesis

Current address: Ph.D. program in The Pennsylvania State University