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Bryan Onel

Bryan Onel

Ethical hacker turned entrepreneur and CEO of Oneleet

San Francisco Bay Area
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Amsterdam, Netherlands
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Joined June 2024
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Summary

Bryan Onel possesses extensive expertise in cybersecurity and ethical hacking, backed by a decade of experience as a penetration tester and holding industry certifications such as OSCP, CISSP, MCSE, and Foundations of Operationalizing MITRE ATT&CK. This deep technical foundation enabled him to identify vulnerabilities in over 150 companies, directly informing his entrepreneurial drive to solve real-world security challenges. oneleet+2
As the CEO and co-founder of Oneleet (YC S22), Bryan is a visionary entrepreneur dedicated to eliminating 'compliance theater' in the cybersecurity industry. He has successfully led Oneleet to achieve $7M ARR in under two years and secured a $33M Series A funding round. His approach involves creating a security-first platform that integrates comprehensive tools like penetration testing and code scanning, ensuring genuine security and automatic compliance for businesses. oneleet+6
Bryan's academic background is notably multidisciplinary, holding multiple Bachelor of Science degrees in Artificial Intelligence, Medicine, and Law from Vrije Universiteit Amsterdam. This diverse educational foundation highlights a broad intellectual curiosity and provides him with a unique perspective on complex problems, particularly at the intersection of technology, ethics, and societal impact. nocap+3
During his student years, Bryan demonstrated an early commitment to public service and community advocacy as a political advisor and spokesperson for TROTS Amsterdam. In this role, he championed multiculturalism, supported marginalized communities, and promoted entrepreneurship and collaboration between the city and academic institutions, reflecting a proactive engagement with societal issues. vu

Work

Education

Writing

Oneleet Raises $33M Series A to End Compliance Theater

October 2, 2025

An announcement post detailing Oneleet's successful Series A funding round and its mission to redefine cybersecurity compliance by focusing on genuine security measures over superficial 'compliance theater'.

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Data Security: Complete Guide (Updated 2024)

January 1, 2024

A comprehensive guide on data security, covering threats, solutions, and best practices to protect organizations from cyber risks and maintain compliance.

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The Monetary Value of Cybersecurity & Compliance (SOC 2, HIPAA, ISO 27001, etc)

January 1, 2024

An article discussing how to effectively communicate the value of cybersecurity and compliance to executives, positioning security as a revenue driver rather than just a cost center.

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Data Security Compliance Guide (Updated 2024)

January 1, 2024

A guide explaining the essentials of data security compliance, focusing on how businesses can protect sensitive data and meet critical industry standards and regulations.

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