Meet the Founders

Decades of Elite Experience

Two cybersecurity legends. 50+ years of combined expertise. One mission: to shape the next generation of AI-centric security professionals.

Born from Elite Experience

Haxorplus was founded by two seasoned industry leaders with decades of experience in cybersecurity. They have launched multiple successful ventures and held key roles at some of the world's most prestigious organizations.

50+ Years

Combined cybersecurity expertise spanning three decades

Fortune 500

Trusted by the world's largest enterprises and governments

AI Pioneers

Leading the charge in AI security and red teaming

Martin Voelk
Co-Founder & Lead Instructor

Martin R. Voelk

Martin is a seasoned cybersecurity expert with nearly 30 years of experience in the IT industry. Since 2020, he has been contracting with Uber, conducting large-scale penetration testing across web and mobile applications, APIs, and—since 2022—AI/ML systems.

He is also an active bug bounty hunter, having discovered hundreds of critical vulnerabilities in both public and private programs worldwide since 2018.

Previously, Martin founded the IT security consultancy Cyber 51 in 2009, which was successfully acquired in 2018. Before that, he delivered advanced penetration testing and Cisco-authorized security training, working closely with governments and enterprises to assess and secure critical infrastructure.

Current Role

Uber Security Contractor

Bug Bounty

Hundreds of Findings

Founded

Cyber 51 (Acquired 2018)

Experience

30 Years in IT Security

Martin's Active Certifications

CISSP#339608

Certified Information Systems Security Professional

BSCP#6CE7E0B7CBB54B11

Burp Suite Certified Practitioner

CNPen#9135135

Certified Network Pentester

CAPen#9088158

Certified AppSec Pentester

CAPenX#9379079

Certified AppSec Pentesting Expert

C-APIPen#9550382

Certified API Pentester

C-AI/MLPen#9076206

Certified AI/ML Pentester

CMPenAndroid#9105682

Certified Mobile Pentester

CMPen-iOS#9223510

Certified Mobile Pentester

CCPenX-AWS#9486417

Certified Cloud Pentesting eXpert-AWS

OSCP#Active

Offensive Security Certified Professional

OSWP#Active

Offensive Security Wireless Professional

CCSI#31274

Cisco Systems Certified Instructor

CCIE#13708 (Emeritus)

Cisco Certified Internetwork Expert

Co-Founder & CEO

Diego A. Spahn

Diego Spahn is a cybersecurity expert with more than 22 years of frontline experience in ethical hacking, offensive security, and penetration testing. His recent work concentrates on adversarial testing of generative-AI systems.

In 2025 he earned the Certified AI/ML Pentester (C-AI/MLPEN) and AI Red-Teaming Professional Certification (AIRTP+) credentials, formalising two years of research into jailbreak detection, model-inference hardening, and assessment methodologies for LLM-powered applications.

Diego co-founded Neuralys, an automated vulnerability-management platform that he guided from bootstrap through exit; the company was acquired by Coalfire in 2021, validating his ability to translate offensive-security insight into scalable SaaS solutions.

Today he spearheads Haxor Ventures, the studio he launched to build businesses entirely devoted to cybersecurity and AI, including Haxor Plus and Haxor One.

AI Security

C-AI/MLPen & AIRTP+ Certified

Exit Success

Neuralys → Coalfire (2021)

Haxor Ventures

Studio Founder

Experience

22 Years in Security

Diego Spahn

Diego's Active Certifications

C-AI/MLPen2025

Certified AI/ML Pentester

AIRTP+2025

AI Red-Teaming Professional

Previous certifications: CISSP, CEH, CHFI, ECSA, LPT

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