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Dan Guido

Dan Guido

Co‑founder & CEO of Trail of Bits; cybersecurity researcher, educator, advisor

dguido
Brooklyn, New York
Joined April 2025
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Summary

Leader of applied security research and consulting: As co‑founder and CEO of Trail of Bits, Dan has built a research‑first security firm that blends offensive research, tooling, and high‑stakes consulting (DARPA work, large audits, and open‑source tooling). He shapes the company’s technical direction while preserving a strong R&D culture. trailofbits+1
Educator and community mentor: Guido has deep roots in cybersecurity education — teaching vulnerability analysis at NYU Tandon, developing the CTF Field Guide, and organizing Empire Hacking — demonstrating a commitment to training the next generation of security practitioners. nyu+1
Open source practitioner: Guido and his teams publish and maintain openly available tools and guides (e.g., Algo/AlgoVPN and the CTF Field Guide) that have seen broad adoption, reflecting a preference for shipping practical, reusable security tooling. github+1
Policy advisor and public‑sector engagement: Beyond private‑sector work, Guido contributes to public policy and advisory efforts (CFTC TAC co‑chair on cybersecurity, contributions to policy reports), bridging technical expertise and regulatory/policy discussions. cftc+1

Work

Education

Projects

Writing

Meet Algo: The VPN that works

January 1, 2016

Blog post introducing Algo and Trail of Bits' approach to a minimal, secure, self‑hosted VPN deployment.

Favicon imageblog.trailofbits.com

CTF Field Guide (online course / guide)

January 1, 2014

Comprehensive guide to CTF topics (forensics, binary exploitation, web exploitation, etc.) used as a teaching resource and published by Trail of Bits.

Favicon imagetrailofbits.github.io

Contributions to national security / policy papers (examples)

Trail of Bits / Guido have contributed to and informed policy papers and research concerning vulnerabilities and national security, including contributions referenced alongside RAND and other think tanks (e.g., 'Zero Days, Thousands of Nights').

Favicon imagerand.org

Hobbies

Community building / meetup organizing — founder/organizer of Empire Hacking (NYC meetup for security professionals). nyu

Hobbyist coding and open‑source projects (e.g., personal involvement in Algo, small tools and public repos). github+1

Notes

CRColby Ringsaid
DGDan Guido
is one of the most knowledgeable people they've worked with when it comes to mobile security and device vulnerabilities.

Nov 21, 2025

SSSophia Schulz-Rusnackosaid that if they were launching a new company in New York,
DGDan Guido
would be among their top choices as an early angel investor.

Oct 14, 2025

TBTrent Brunsonsaid
DGDan Guido
is one of the most insightful researchers they've encountered in cybersecurity policy.

Sep 23, 2025