2013.07 - Present : CEO, Plainbit Co., Ltd.

2024.05 - Present : Hacking Advisor, Defense Breach Response Council

2023.04 – Present : Advisor, Military Counterterrorism Information Council, Defense Counterintelligence Command

2020.03 - Present : Adjunct Professor, Department of Forensics, Sungkyunkwan University

2018.03 - Present : Submission and Operation, Digital Forensics Challenge(DFC)

2017.04 - Present : Advisor, Cybercrime Priority Investigation, Seoul Eastern District Prosecutor's Office

2014.04 - Present : Director, Korea Digital Forensics Society

2012.12 - Present : Cyber Security Advisory Panel, Korea Internet & Security Agency

2017.07 - 2019.06 : Advisor, Cyber Operations Command

2011.08 – 2013.01 : AhnLab A-FIRST, DFIR

2017.02 : Completed Ph.D. program at Korea University, School of Cybersecurity

2011.02 : Master's degree at Korea University, School of Cybersecurity

MCFE(Magnet Certified Forensics Examiner)

X-PERT(X-Ways Professional in Evidence Recovery Techniques)

CCI(Certified Cryptocurrency Investigator)

EIP(Engineer Information Processing)

Cybersecurity Best Project, Korea Internet & Security Agency(2024.11)

Citation, National Intelligence Service(2021.12)

Certificate of Appreciation, Korea Institute of Information Security and Cryptology(2021.11)

Certificate of Appreciation, Korea Digital Forensics Society(2023.12)

Plaque of Appreciation, Korea Digital Forensics Society(2021.11)

Cybersecurity Best Project, Korea Internet & Security Agency(2023.11)

Cybersecurity Best Project, Korea Internet & Security Agency(2016.12)