
Award-Winning International Team
of Professionals
Our team is a powerhouse of diverse experts, each one a leader in their craft, brought together from across the globe. We are creators, thinkers, and innovators united by a shared passion for excellence.
40+ Specialists
13 Countries
30+ Won International Competitions
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SECURITY ADVOCATES

Vahe Karapetyan
Co-Founder, CTO
Vahe’s journey in cybersecurity started at 12yo, when he learned C++ and started developing kernel drivers, anti-rootkits, VM and Hypervisor security modules while still going to school.
During university studies he worked as an offensive security engineer and reverse engineer also uncovering 0day vulnerabilities on various vendors.
Highlights & Achievements
- Winner of over 20 international cybersecurity competitions (CTFs), both solo and with the world-renowned team, MSLC.
- Pioneered security reviews for innovative technologies, including zero-knowledge proofs.
- Designed and currently developing the only scalable vulnerability and data research tool for smart contracts.
- Fun fact: Proved a theorem in lambda calculus for my master’s thesis— ask me about it if we ever meet!
Primary Expertise
- VM and low-level components security
- EVM and Blockchain internals
- Zero-Knowledge audit
- Reverse Engineering and Vulnerability Research

Kasper Zwijsen
Head of Audits
While studying computer science at university, Kasper started his cybersecurity journey by competing in CTFs and doing bug bounty on major platforms.
Later, he became interested in Web3 and started focusing on bug bounty there. After building a large portfolio of findings, he joined Hexens in 2022 to lead audits.
Highlights & Achievements
- Multiple confirmed criticals in industry-leading projects
- Reported 14 critical and 15 high severity confirmed bugs totaling $1m+ in bounties
- Lead audits for several big names in the Web3 space
- Always on top of different Bug Bounty leaderboards
Primary Expertise
- Offensive security testing for both black-box and white-box (Solidity, Rust, Go, Python, PHP, C#, Java, C/C++, Javascript)
- Smart contract auditing
- Blockchain/DLT auditing
- Web application penetration testing
Audit Examples
- Lido
- LayerZero
- 1inch
- EigenLayer
- Fuel Network

Hayk Andriasyan
Senior Security Researcher
After studying cryptography and computer science in university and working as a software developer for 7 years, Hayk moved on to applications and offensive security for 4 more years. Eventually he has joined Hexens to do cryptography security research on the most sophisticated projects in Web3.
Keynote speaker at cybersecurity conferences.
Primary Expertise
- Source code audit (Solidity, Rust, Go, Java, C#, C/C++, Python, JavaScript, PHP);
- Zero-knowledge audit (Circom, Zokrates, Cairo, PIL);
- Cryptographic implementations audits;
- Blackbox pentest;
- Application security engineering;
Certificates & Achievements
- Oracle certified professional (Java);
- Oracle certified expert (Java EE);
- Reached top #6 in Github Security Labs CodeQL Bounty Program;
- 2X Honorable diploma from ACM International Collegiate Programming Contest Semifinals (NEERC);
- Over a dozen certificates and diplomas from mathematics and programming olympiads;
Audit examples
- Polygon (zkEVM)
- Risc0
- Hashflow
- Eywa
- Holonym
Andy Koo
Senior Security Researcher
Duc Hoang
Senior Security Researcher
Hannay Al Mohanna
Senior Security Researcher
Soon Chan Hwang
Senior Security Researcher
Trung Dinh
Senior Security Researcher
C-SUITE

Sipan Vardanyan
Co-Founder, CEO
Sipan is a cybersecurity polymath with over a decade of experience across diverse domains. His career began with building one of Armenia’s first high-speed ISPs and then transitioned to the banking sector as CISO.
After his successful tenure as CISO, Sipan founded a security boutique specializing in offensive security. He built and led exceptional teams that delivered penetration testing and red-teaming services to hundreds of high-profile organizations globally.
A seasoned CTF player and OSINT guru, Sipan’s deep understanding of the cybersecurity market revealed critical gaps and inefficiencies in the industry. Recognizing these shortcomings, he was inspired to build Hexens, channeling his expertise into protecting highly targeted organizations and building the foundation for scalable and reliable security in a decentralized world.
In 2021, Sipan co-founded Hexens to revolutionize Web3 security, pioneering innovative solutions to safeguard the decentralized future.
Primary Expertise
- 15+ years in IT, with 12+ years specializing in cybersecurity
- 10+ years of experience building and leading high-performance security teams and scaling cybersecurity organizations
- Securing global enterprises against emerging cyber threats
- Open-source intelligence
- Expertise in offensive security, penetration testing, and risk management
- Specializing in Web3 security, architecting next-gen solutions for decentralized ecosystems

Wolf Alexanyan
Product and Operations manager with over 17 years in IT. Architect of lawful cyber intelligence systems, digital forensics labs, multi-factor biometric authentication technologies, ERP/CRPs, and other high-impact solutions for Middle East governmental sector.
Author of the biggest open-source library of cognitive biases (thinking patterns) and nudging strategies - uxcore.io
In 2024, Wolf joined Hexens to build the most impactful cybersecurity tooling for Web3.
Primary Expertise
- 10+ years of C-level managerial experience in B2B (MENA, US), B2G (Middle East)
- 12+ years in CogSci/Behavioral sciences
- Background in cybersecurity and state defense
- Mainly specialized in the management of teams and high-impact products where the need for tailored UX and understanding human psychology subtleties is paramount

Ruben Muradyan
CISO
With over 25 years of experience in cybersecurity, Ruben has dedicated his career to defending diverse industries against emerging threats. His expertise spans the entire cybersecurity spectrum, from securing software development pipelines to auditing telecom infrastructure for vulnerabilities.
A recognized speaker, Ruben frequently delivers engaging talks on cybersecurity, privacy, and counter-surveillance at various conferences and platforms. A staunch advocate of Free and Open Source Software (FOSS), he brings a deep commitment to openness and collaboration in technology.
Ruben thrives in complex incident response scenarios, particularly where the unknowns outweigh the knowns. At Hexens, he specializes in DevSecOps and CyberSecOps, combining his technical mastery with strategic execution to bolster security at scale.
Primary Expertise
- Cybersecurity Compliance/Risk Management
- Large-scale DDoS Mitigation
- State-Sponsored Spyware Research
- UNIX/Linux System Administration
- Network Security

Hayk Kosyan
A seasoned professional with extensive experience in operations, finance, and legal domains, delivering results across global markets and scaling startups to success. Successfully scaled businesses and led teams of 170+ people across 8 countries to achieve market leadership and operational excellence.
Built and optimized operations, legal, and finance flows across the US, EU, Asia, and emerging markets, achieving market leadership in competitive, unregulated industries.
Primary Expertise
- Operations Excellence: Deep understanding of operational specifics and building complex, scalable structures.
- Financial Strategy: Ensuring profitability and sustainable growth in competitive, high-pressure markets.
- Crisis Management: Skilled in creating and implementing action plans under pressure, including during times of war and resource constraints.
- Legal & Compliance: Successfully managed tax audits and legal frameworks, achieving zero penalties during multiple investigations.
- Innovation Leadership: Co-founded a robotics startup, leading 23 specialists (12 PhDs) to develop cost-efficient, innovative food delivery solutions.
- Performance Audits: Conducted the first market maker efficiency audit, helping a client increase their market capitalization by 3x.

Anush Stepanyan
Seasoned finance professional with expertise in strategic financial management for technology companies. As CFO, she ensures the alignment of financial strategies with the company’s innovative goals, including the development of AI-based tools for blockchain security. Her background in advising technology ventures and Central Bank provides a solid foundation for managing growth in the blockchain cybersecurity sector.
Primary Expertise
- Financial Strategy & Capital Management – Driving financial planning, forecasting, fundraising, and capital allocation to support growth and shareholder value.
- Risk & Compliance Oversight – Ensuring regulatory compliance, managing financial risks, and implementing robust internal controls.
- Operational & Performance Management – Optimizing financial processes, monitoring KPIs, and aligning resources to business objectives for efficiency and profitability.
- Stakeholder Communication & Leadership – Partnering with the CEO and board, building investor confidence, and leading finance teams with strategic insight.

Alice Rigby
Alice entered sales 6 years ago in traditional technology markets after finishing University with a First Class degree in Business Economics. Now Alice sits as Sales Manager at Hexens leading business development.
Recognised for scaling sales operations globally and achieving multiple top-biller awards before transitioning into Web3 security.
At Hexens, Alice focuses on building ecosystem relationships and driving adoption of security solutions across leading blockchain projects.
Primary Expertise
- Strategic Business Development - Proven success in scaling revenue and partnerships across global markets.
- Web3 & Cybersecurity Ecosystem - Deep focus on smart contracts, blockchain infrastructure, and security tooling.
- Partnership Growth - Experience in building relationships with top protocols, foundations, and DAOs.
- Sales Leadership - Award-winning track record in delivering results and leading teams in competitive markets.
- Market Expansion - Built out US and UK operations, aligning commercial growth across numerous Technology markets.