YJ
Career profile
Yeongjin Jang
Research Scientist @ Google DeepMind | Cyber Safeguard for Gemini | DARPA/ARPA-H AIxCC final Champion (Team Atlanta) | 2 x DEF CON CTF Champion (2015, 2018) | 6 x Black Hat speaker
Mountain View, California, United States
Career path.
Google DeepMindStaff Research Scientist / Tech Lead Manager
Oct 2025 - Present- Samsung Research America (SRA)
Principal Engineer, Software Vulnerability Research
Aug 2023 - Oct 2025 - Oregon State University Alumni Association
Courtesy Appointment
Jun 2023 - Aug 2024 - Oregon State University Alumni Association
Assistant Professor
Oct 2017 - Jun 2023 - Oregon State University Alumni Association
Courtesy Appointment
Jun 2017 - Oct 2017 - Georgia Institute of Technology
Graduate Research Assistant
Jan 2015 - Aug 2017 - SECURITY AXIOMS, INC.
Chief Engineer
Jan 2013 - Dec 2014 - SECURITY AXIOMS, INC.
Research Intern
Aug 2012 - Dec 2012 - SECURITY AXIOMS, INC.
Research Intern
May 2012 - Jul 2012 - SECURITY AXIOMS, INC.
Research Intern
Aug 2011 - May 2012 - SECURITY AXIOMS, INC.
Research Intern
May 2011 - Aug 2011 - Georgia Institute of Technology
Graduate Research Assistant
Aug 2010 - Dec 2012 - NEXON Co., Ltd. （Head Office／Japan）
Engineering Intern
Jun 2008 - Aug 2008 - HHC, U.S. Army Garrision Yongsan, Eighth U.S. Army
Sergeant
Aug 2005 - Aug 2007 - Sony Computer Entertainment Korea
Engineering Intern
Dec 2004 - Feb 2005