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My curriculum vitae showcasing my research experience, education, awards, and technical skills in AI and deep learning.
Basics
| Name | Yejun Jang |
| Label | AI Researcher |
| jangyejun@snu.ac.kr | |
| Url | https://mutantq.github.io |
| Summary | AI researcher and pre-founder of mutual, building trust infrastructure for the post-AI media era. Research focus on developing reinforcement learning agents that can make reliable decisions based on grounded factual information, bridging advanced decision-making algorithms with trustworthy information infrastructure. Currently pursuing B.S. in Electrical and Computer Engineering at Seoul National University. |
Interests
| Artificial Intelligence | |
| Multi-agent Systems | |
| Reinforcement Learning | |
| Deep Learning | |
| AI Security |
| Applied AI | |
| Robotics | |
| Penetration Testing |
Publications
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2025.09 Q-Guided Flow Q-Learning
CoRL 2025 Workshop RemembeRL
Authors: Yejun Jang, Hong Chul Nam, Jeong Min Park, Gimin Bae, Hyun Kwon. An RL training framework mathematically equivalent to the recently popularized Flow Q-Learning, but with decoupled actor and critic training for improved computational efficiency and quicker hyperparameter tuning.
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2025.02 Exploring the Structure and Hyperparameters of a DQN Model for Penetration Testing on Large-Scale Networks
Symposium of the Korean Institute of Communications and Information Sciences (KICS)
Authors: Yejun Jang, Jihun Shin, Janghyong Lee. Investigation of Deep Q-Network architectures and hyperparameter configurations for automated penetration testing.
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2024.11 Preventing Model and Data Poisoning Attacks on Military AI Systems via Supply Chain Verification Techniques
Conference on Information Security and Cryptography Winter 2024 (CISC-W)
Authors: Yejun Jang, Rocky Kim, Yeongwha Lee. Research on securing military AI systems against adversarial attacks through supply chain verification.
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2023.11 Living Ideas from Future Observers (미래 관찰자의 살아있는 아이디어)
Porche Books
Book authored by the Institute for Future Strategy of Seoul National University. Participated as an editor and contributor.
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2020.05 A Study on Real-Time Feedback System for Forward Head Posture Using Markerless Skeletal Tracking
International Science and Engineering Fair (ISEF) - Finalist
Authors: Yejun Jang, Sunjin Kim. Developed a contactless feedback system using computer vision to detect and correct Forward Head Posture, achieving 81% improvement.
Work
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2025.10 - Present Seoul, South Korea
Pre-founder
mutual
Building trust infrastructure for the post-AI media era through hardware-rooted content authenticity.
- Designing SRA (Signing Right Away), a hardware-rooted architecture for C2PA-aligned content authenticity
- Integrating authenticated encryption and secure camera pipelines between image sensors and trusted execution environments
- Raised angel investment from Kay Kyungsik Woo (MVL Foundation) to support FPGA prototyping and hardware development
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2024.04 - 2025.10 Daejeon, South Korea
Military Science & Technology Researcher
Republic of Korea Army, Innovation Institute for Future Army (IIFA)
Mandatory military service as a Military Science & Technology Researcher, focusing on AI security and deep reinforcement learning applications for military systems.
- Conducted research on AI security, focusing on model and data poisoning attacks on military AI systems
- Investigated deep reinforcement learning applications for penetration testing on large-scale networks
- Presented research findings at national conferences (KICS 2025, CISC-W 2024)
- Led work that resulted in publications at KICS 2025 and CISC-W 2024 on DQN-based penetration testing and supply chain verification for military AI systems
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2023.12 - 2024.03 Daejeon, South Korea
Research Intern
KAIST ACSS Lab
Advisor: Prof. Soojean Han.
- Explored applications of group equivariant neural networks for multi-agent traffic optimization
- Investigated traffic light control systems using multi-agent reinforcement learning
- Gained experience in symmetry-aware neural network architectures and their applications to real-world problems
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2023.02 - 2024.02 Seoul, South Korea
Project Head, SOUL - A Modern Reinterpretation of Keynes' Bancor
Korea Foundation for Advanced Studies (KFAS)
Modeled international trade using multi-agent reinforcement learning to simulate Keynes' International Clearing Union.
- Modeled central banks of each country as an RL agent aiming to maximize annual GDP in a simulated global economy
- Explored economic policy and international relations through game-theoretic and multi-agent simulations
- Secured funding of 10 million KRW (~$10,000 CAD) and managed allocation for computing, mentoring, and resources
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2022.08 - 2023.11 Seoul, South Korea
Editor, Questions for Future
KFAS & Institute for Future Strategy, Seoul National University
Branstormed impactful keyphrases capturing the essence of the digital society.
- Coined the phrase “attention ownership” – the right to control, manage, and determine how one's attention is directed.
- Book published with title 'Living Ideas from Future Observers (미래 관찰자의 살아있는 아이디어)', available for purchase throughout Korean bookstores.
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2019.02 - 2020.02 Sejong, South Korea
Software Lead, FHP-RTFS
Sejong Academy of Science and Arts (SASA)
Built a contactless feedback system for alerting incorrect body posture when using digital devices.
- Developed a measurement criterion for Forward Head Posture (FHP) using computer vision techniques
- Processing 3D webcam data and providing audio feedback led to 81% improvement in participants' FHP
- Became 2020 Regeneron ISEF finalist
Education
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2021.03 - 2026.12 Seoul, South Korea
B.S.
Seoul National University
Electrical and Computer Engineering
- Research Focus: Deep Reinforcement Learning, Generative Models, AI Safety
- Expected graduation December 2026
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2018.03 - 2021.01 Sejong, South Korea
Awards
- 2025
Q-Guided Flow Q-Learning accepted to CoRL 2025 Workshop RemembeRL
Conference on Robot Learning
- 2020
Regeneron International Science and Engineering Fair (ISEF) Finalist
Society for Science
Selected as finalist for research on real-time feedback system for Forward Head Posture using markerless skeletal tracking.
- 2020
SASA Campus Awards (Research)
Sejong Academy of Science and Arts
- 2019
Korea Science and Engineering Fair (KSEF) Gold Award
Korea Science and Engineering Foundation
First place award that led to ISEF finalist selection.
- 2019
Korea Biz-school Youth Startup Competition Grand Award
Korean Minister of SMEs and Startups
First place in national youth startup competition.
- 2019
AP Academic Achievement Awards
Sejong Academy of Science and Arts
Top 4% in AP Physics I & II and 3 other subjects
- 2019
- 2019
- 2019
- 2018
- 2018
Skills
| Deep Learning & AI | |
| Reinforcement Learning: Offline RL, Multi-agent RL, Deep Q-Learning, Policy Gradient Methods | |
| Generative Models: Flow Matching, Normalizing Flows, VAE, GAN | |
| Deep Learning: Sequential Models (LSTM, Transformers), Function Approximation | |
| AI Security: Adversarial Attacks, Model Poisoning, Supply Chain Security |
| Programming Languages | |
| Python | |
| C | |
| C# | |
| Bash |
| Libraries & Frameworks | |
| PyTorch, JAX, huggingface, NumPy, Pandas, Matplotlib, Docker, Git, uv | |
| RL: PettingZoo, Gymnasium (OpenAI Gym), RLlib, CleanRL, trl |
| Research & Communication | |
| Technical Writing, Academic Research, Conference Presentations | |
| Cross-disciplinary Communication (AI, Economics, Philosophy) |
Languages
| Korean | |
| Native speaker |
| English | |
| Fluent |
Projects
- 2024.03 - Present
Signing Right Away (SRA)
Hardware-rooted trust architecture for verifiable digital provenance and content authenticity, forming the core of mutual's SRA (Signing Right Away) system.
- Designed hardware-rooted trust architecture for verifiable digital provenance and C2PA-aligned content authenticity
- Developed authenticated encryption scheme (e.g., AES-GCM/CCM) for securing camera-to-processor image data
- Proposed TEE-based immediate signing to combat AI-generated fake content
- Raised angel investment to fund FPGA-based prototyping and secure camera pipeline development
- 2021.08 - 2021.08
QuPid - VR Quantum Computing Education
Created a VR laboratory to explain basic but hard-to-grasp concepts in quantum computing, specifically the qubit.
- Virtual Reality
- Educational Technology
- Quantum Computing
- 2021.09 - 2021.12
Car-The-Garden - Autonomous Navigation
Applied left-first and right-first search algorithms to navigate a miniature version of the standard Korean driving test.
- Autonomous Navigation
- Search Algorithms
- Robotics
Volunteer
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Volunteer Educator
South Vancouver Neighborhood House (SVNH)
Assist community engagement programs and teach math and science to community members.
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Translator
Raspberry Pi Foundation
Translated multiple educational articles in the Raspberry Pi Foundation's Project page to Korean.