Jon Miller in

Jon Miller

Galvanizer · DISC type Id
Chief Scientist at Halcyon
📍 Poway, California, United States

Jon Miller is the CEO and Co-founder of Halcyon, a company dedicated to combating ransomware. With over 25 years in cybersecurity, he previously founded Boldend, a firm creating offensive cyber tools for the US Government, and held key roles at Cylance (now BlackBerry) and Accuvant (now Optiv), where he worked with most of the Fortune 500.

Jon has been deeply involved in hacking and cybersecurity since junior high and gave his first public talk at the DEF CON hacker conference when he was just 18. He began his professional career as a penetration tester for Internet Security Systems (now IBM) X-Force, conducting some of the first-ever pen tests for major corporations and government agencies.

Interesting fact: Jon doesnt have an intense personal drive to be a CEO but steps into the role because he has a natural aptitude for talking to people and leading teams effectively.

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Experience
22 Years
Current Role
Chief Scientist
Location
Poway, California, United States
Personality Overview

How Jon shows up

Socially Adept
Trusting
Persuader

They are charming and have the ability to align others behind their decisions. They are more likely to be open to unproven but exciting technologies. They do not mind taking risks and can make hard decisions, if necessary.

Priorities

Topics Jon cares about

Ransomware Defense
As CEO of Halcyon, the first company dedicated to stopping ransomware, his entire professional focus is on building products to defeat this specific threat.
Offensive Cybersecurity
He founded Boldend, a company that built offensive cyber tools and bespoke malware specifically for the US Government, demonstrating deep expertise in attacker methodologies.
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Career

Work history

5-2026
Chief Scientist
Halcyon
5-2021 - 5-2026
CEO + Co-Founder
Halcyon
7-2017 - 7-2022
Founder & CEO
Boldend
7-2017 - 2-2019
Advisory Board Member
Cylance Inc.
7-2017 - 8-2024
Board Director
Boldend Inc.
In the press

Media appearances

Halcyon | CEO Jon Miller on Dedicated Ransomware Detection. Featured in Apple Podcasts
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Security Gets Serious Episode 003: Jon Miller on Building Security Startups. Featured in Halcyon Blog
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Education

Jon has no verified education history

Social presence
in
Behavioral profile

DISC profile (public)

I

Influence (I)

Influence (I) reflects the degree to which a person prefers to work by influencing or persuading others. Those scoring high tend to be people oriented, motivated by social recognition and building relationships.

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