Robert Hansen in

Robert Hansen

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Chief Technology Officer at Root Evidence
📍 Austin, Texas, United States

Robert Hansen, known as "RSnake, " is a cybersecurity veteran, executive, and hacker with over two decades of experience. As CTO of Evidence and Managing Director at Grossman Ventures, he focuses on web application security and evidence-based vulnerability management. People who have worked with him describe him as “wicked smart, ” an “expert, ” and a “thought leader. ”

Beyond his corporate roles, Robert is a prolific contributor to the security community. He is an author of multiple books, including "Detecting Malice" and "AIs Best Friend, " and hosts "The RSnake Show" podcast, where he discusses technology, security, and geopolitics. He also actively mentors startups.

Interesting fact: His early work on anti-phishing and anti-malware at eBay was foundational to security features now built into every modern web browser.

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Experience
8 Years
Current Role
Chief Technology Officer
Job Level
Leadership
Location
Austin, Texas, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Robert cares about

AI Safety & Ethics
Authored the book "AI's Best Friend" and frequently speaks about the profound risks and containment challenges posed by advancing artificial intelligence systems.
Vulnerability Management
His company, Evidence, and recent posts focus on shifting from theoretical vulnerability counts to an evidence-based approach that prioritizes real-world business risk and potential losses.
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Career

Work history

7-2025
Chief Technology Officer
Root Evidence
3-2024
Managing Director
Grossman Ventures
1-2022
Host
The RSnake Show
1-2018
Advisory Board Member
RedShield Security Limited
8-2018
Mentor
Capital Factory
In the press

Media appearances

Uncomfortable Truths with Rob Hansen, CTO @ Root Evidence. Featured in YouTube
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Root Evidence Bets on New Concept For Vulnerability Patch Management. Featured in Dark Reading
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Education
1995 - 1998
Computer Engineering
California State University, Chico
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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