Overview
Jeremy McHugh, D.Sc., is founder and chief executive officer of Preamble, per the company About Us page. Preamble’s team discovered prompt injection vulnerabilities in May 2022 and responsibly disclosed them to OpenAI — pioneering AI security from day one. The company believes AI security should be a foundation, not an afterthought, with a mission to secure increasingly capable AI.
Preamble was founded in 2021 as generative AI began gaining utility, built with a vision to provide scalable, user-friendly security solutions tailored to AI’s evolution. Headquarters are in Pittsburgh, PA per About page. McHugh is described as a U.S. Air Force veteran and cybersecurity expert who founded Preamble to address growing need for proactive AI security, with leadership guiding protection of sensitive AI systems worldwide.
Co-founder Jonathan Cefalu serves as chief product officer — Stanford Computer Science honor graduate, Forbes 30 Under 30 honoree, sold AR startup to Snapchat in 2014, and first to identify prompt injections in AI systems per About page.
Role
As founder and CEO, McHugh leads Preamble’s corporate strategy, customer engagements, and public positioning on AI security foundations. About page states McHugh brings wealth of experience in cybersecurity with deep understanding of technical and strategic aspects of AI security.
Preamble offers platform and services including patented prompt injection solution per company materials referenced in research brief and About page security positioning. Company values include integrity, innovation, and excellence in delivering security businesses rely on to protect valuable assets.
McHugh’s CEO role pairs with Cefalu’s CPO product leadership — combining military and cybersecurity operational discipline with Stanford-origin vulnerability research credentials.
Background
About page identifies McHugh as Jeremy McHugh, D.Sc., U.S. Air Force veteran, and cybersecurity expert. No additional education institutions or prior employers beyond military and cybersecurity expertise labels appear on cited About page excerpt reviewed.
Preamble team rooted in traditional cybersecurity and emerging tech identified early threats and developed mitigation strategies including patented prompt injection solution per About narrative.
May 2022 prompt injection discovery and responsible OpenAI disclosure documented on About page as founding team achievement predating widespread public awareness of LLM attack vectors.
Career
McHugh’s documented career on cited Preamble pages spans U.S. Air Force service, cybersecurity expertise, founding Preamble in 2021, and leading company through prompt injection disclosure milestone May 2022. Career narrative centers on proactive AI security rather than retrofitted application security.
Cefalu’s path — Stanford CS, Forbes 30 Under 30, Snapchat acquisition 2014, prompt injection identification — complements McHugh operational security background on About page co-founder section.
Pittsburgh headquarters connects Preamble to emerging AI and robotics ecosystem per About page — regional positioning McHugh cites with pride.
Company Journey
Preamble journey began 2021 anticipating generative AI utility and security gaps. May 2022 team discovered prompt injections and disclosed to OpenAI — early mover advantage in AI red-teaming and mitigation product development.
About page states Preamble continues future-proofing AI with advanced customizable safeguards meeting ever-changing risks and regulations — product evolution under McHugh from disclosure to commercial platform and services.
Patented prompt injection solution represents intellectual property milestone translating research into enterprise-deployable controls — governance-adjacent security layer for LLM applications.
Leadership
McHugh’s leadership identity combines D.Sc. credential, military veteran background, and founder-CEO authority over AI security company born from responsible disclosure culture. About page emphasizes transparency, ethics, and trust in client relationships — values aligned with governance buyer expectations.
Co-founder Cefalu CPO role provides technical product depth on prompt injection and AI safety — dual leadership structure common among security startups with researcher co-founders.
About page consistently identifies McHugh as Jeremy McHugh, D.Sc., CEO reviewed July 11, 2026.
Public Milestones
Founded Preamble 2021 per About page. May 2022: prompt injection vulnerabilities discovered and responsibly disclosed to OpenAI. Patented prompt injection solution per company materials on About page.
Headquarters Pittsburgh, PA. Co-founder Jonathan Cefalu CPO — Stanford CS, Forbes 30 Under 30, AR startup sold to Snapchat 2014, first prompt injection identifier per About page.
Funding amounts not stated on cited About page are excluded. Supporting media URL cited per brief for corroboration of public presence.
Why This Founder Matters
Jeremy McHugh matters because prompt injection remains central LLM governance failure mode and McHugh’s team identified and disclosed it before most enterprises deployed chatbots. Preamble under his CEO leadership converts that research head start into patented safeguards and services.
Air Force veteran and cybersecurity founder profile appeals to government and defense AI buyers evaluating security vendors with operational trust credentials.
For Brel Digital readers, McHugh represents AI security founders at the prompt and agent attack surface — complementary to governance policy platforms and model validation vendors.
Sources
Primary sourcing: Preamble About Us page and media page, reviewed July 11, 2026.
- Preamble — About us (preamble.com)
- Preamble — Media (preamble.com)
Prompt injection timeline, credentials, co-founder facts from About page only. No invented employment or education beyond D.Sc. and Air Force veteran labels on official page.
Last Reviewed
This profile was last reviewed on July 11, 2026.
Correction Request
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