This is Ziyi Guo (Roland Guo). I am a Ph.D. student in Computer Science at Northwestern University from Sept. 2023, work with Prof. Yan Chen, and Prof. Xinyu Xing. I obtained my bachelor's degree from Sichuan University, August, 2023. I was a Security Researcher Intern at Tencent Xuanwu Lab, and a Research Intern at Tsinghua University (NISL), advised by Prof. Qi Li and Prof. Kun Sun (George Mason University), work with Dr. Yi He (now Prof. at Wuhan University).

Currently, my research interest is understanding, analyzing, and mitigating real-world security problems, especially OS and Cloud Infra. I also explore LLMs for Security. 

Beyond research, I love hacking, I play PWN at r3kapig in DEF CON CTF, Google CTF. 

I'm recipient of Google PhD Fellowship; OpenAI Cybersecurity Grant Award