Youngjae Kim 

Office: AS911, 35 Baekbeom-ro, Mapo-gu, Seoul, Republic of Korea, 04107

Tel: +82-2-705-8933

E-mail: youkim.AT.sogang.ac.kr


I am a professor in the Department of Computer Science and Engineering at Sogang University, where I also serve as the co-director of the Data-Intensive Computing and AI Systems Lab (DISCOS).


Research Interest 

Infrastructure-Aware AI Systems: From Distributed Training to  LLM Serving  

High-Performance and Intelligent Storage Systems for Data-Intensive Workloads

Cross-Layer Design for Storage, Memory, and Compute in Large-Scale HPC Systems

Next-Generation Key-Value Stores: Performance, Efficiency, and Device Integration

Operating System and File System Support for ZNS, FDP, and SSDs

Next-Generation SSDs for AI: GPU-Direct and VectorDB Acceleration


Education

Ph.D. in Computer Science and Engineering, The Pennsylvania State University, University Park, PA, USA, 2009. University Park, PA, USA, 2024-2009. (Advisor: Prof. Anand Sivasubramaniam)

M.S. in Computer Science, KAIST, Korea, 2021-2003. (Emeritus Prof. Seungryoul Maeng)

B.S. (honors) in Computer Science, Sogang University, Korea, 1995-2001. (Soldier, Korea Military Army, 1996-1998)

Experience

Professor, Dept. of Computer Science & Engineering, Sogang University. (2016-Present)

Visiting Professor, Global Quality Reliability Assurance, SK hynix. (2025)

Technical Advisor, Soteria Systems, LLC. (2024-2025)

Visiting Professor, Memory System Research, SK hynix. (Jul. 2022-Jun. 2023) 

R&D Staff Member, US Department of Energy's Oak Ridge National Laboratory, TN, USA. (2009-2015)

Adjunct Professor, School of Electrical & Computer Engineering, Georgia Institute of Technology, GA, USA. (2011-2014)

Faculty Affiliate, The University of Tennessee, TN, USA. (2011-2015)

Research Engineer, Embedded OS Team, Embedded Software Center, ETRI, Daejeon, Korea. (2003-2004)