Summercon 2025

J. Gdanski is the Founder and CEO of Evertas, where he has led Evertas’s technical development and underwriting, as well as secured multiple rounds of funding from top investors; he is a security, privacy, and risk expert. J. is also a founder of CryptoISAC.

Prior to launching Evertas, he was a leader in the enterprise blockchain space and was one of the first to work on institutional custody for crypto. In this capacity he served as an early, significant contributor to blockchain consortia including R3 and Enterprise Ethereum Alliance, of which he was a founding member. He was an integral part of the first enterprise blockchain RFP and has worked on numerous blockchain-based systems. He was the first dedicated hire in the space for a bulge bracket bank and the world’s largest custodian bank and has presented to regulators, legislators, politicians, and business executives, including from Fortune 50 companies.

Caleb Gross is an offensive security engineer at Aurora Innovation where he secures autonomous vehicles. As prior Director of Capability Development at Bishop Fox, he led a team of offensive security professionals specializing in attack surface research and vulnerability intelligence. Caleb also served as an exploitation operator in the US Department of Defense’s most elite computer network exploitation (CNE) unit.

Vlad Ionescu is the co-founder and CTO of RunSybil, where they are working with a cracked team building AI hackbots and hackbot accessories.

Omar is a Staff Security Engineer focusing on building secure and reliable systems, stopping fraudsters, and in general enabling people to do their best work safely and securely. Aside from hacking, Omar enjoys drinking iced coffee year round, collecting pointy toe boots, and tending to his plants with his lovely assistant, Dumpling.

Tom Ritter works for Mozilla and does security things. That includes anti-exploitation, the bug bounty program, security advisories, 0-day response, static analysis, and as of recently – web layer privacy stuff. He’s also a Tor Browser developer and maintains much of their code present in Firefox. He previously did consulting for iSEC Partners and NCC Group, and founded their Cryptography Services practice.

Guanxing Wen is a security researcher with over a decade of experience uncovering critical vulnerabilities in low-level systems, spanning TrustZone, kernels, IoT, and infotainment. A two-time top winner in the Huawei Bug Bounty (2021 & 2022), he has presented at Black Hat, MOSEC, INFILTRATE, and 44CON. He currently works at CertiK, where he explores the messy edges where low-level systems meet blockchain infrastructure — most recently, DePIN.

Thomas is a red teamer and penetration tester at Bishop Fox, originally with a background in mobile and cloud security, and always with a tendency to dig deep into weird edge cases. Whether it’s bending MDMs, abusing OAuth flows, or standing up cursed infrastructure just to tear it down again, he’s most at home when things aren’t working as intended. Outside of hacking, he makes glitchy pop music, which probably explains his love for beautiful chaos.