At CTO (Boardroom Media) we track over 1,000,000 startups and over 5,000,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top Palo Alto based CTO’ operating in the Security space. If you think a CTO’ is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Jakob Ehrensvard
CTO & Co-Founder of Yubico
Built his first computer at the age of 15, self-employed software and hardware engineer since 19, designed the security system for Sweden’s largest nuclear plant at 25. Leading inventor of the YubiKey and FIDO/WebAuthn standards.
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About Yubico: Yubico offers USB and wireless authentication solutions.

Nadir Izrael
Co-Founder and CTO of Armis Security
As co-founder and CTO, Nadir Izrael guides the technology vision behind Armis to protect the new connected or IoT devices in and around the workplace. He co-founded the company in 2015 with its CEO, Yevgeny Dibrov. Prior to Armis, worked at Google as senior software engineer. Before Google, Nadir spent six years in the Israeli army, specifically in unit 8200, where he designed and programmed software projects and systems, serving as team leader and attaining the rank of captain.
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About Armis Security, Cyberstarts: Armis provides the industry’s first unified asset intelligence platform to address new extended attack surfaces that connected assets create.
Drew Dennison
CTO and Co-Founder of r2c
Drew is CTO of r2c. Previously at Palantir, he led data-driven cyber insurance platform development and technical incident response on major data leaks for Fortune 100 companies. Drew received his BS degree in EECS from MIT.
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About r2c: r2c operates as a software security startup.
Andre Ding
Co-Founder & CTO of ViaBot
Andre is experienced in programming and implementing microcontroller, sensor array and mechanism design. He’s designed robotic arm components, which won an award from Lockheed Martin, for Volvo.
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About ViaBot: ViaBot develops outdoor maintenance robots for commercial properties.

Guy Franco
CTO & CO-Founder of Javelin Networks
Guy Franco is CTO & CO-Founder @ Javelin Networks.
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About Javelin Networks: Protect Active Directory from every endpoint. Agentless.
Tim Hinrichs
CTO and Co-founder of Styra
Tim Hinrichs serves as the CTO and Co-Founder at Styra.
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About Styra: Styra offers a platform that allows companies to enforce and monitor authorization policies across cloud-native applications.

Christian Hessler
CTO of LiveEnsure
Christian Hessler is a technology entreprenuer and engineer who designs, develops, protects and evangelizes disruptive innovations for web, cloud and mobile. His R&D interests are: security, digital media, gamification and augmented reality. He is the founder of several successful startups in the US, Europe, Middle East and Asia, working with Microsoft, IBM, HP, Sony, Intel and others. Previously, Christian led agile engineering organizations at Sun Microsystems, Computer Associates, Citysearch and First American Bank. His latest venture is @liveensure, a Silicon Valley startup revolutionizing interactive user authentication on smart devices.
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About LiveEnsure: Peer to Peer Authentication for the Crowd, Not the Cloud
Dr Thor Whalen
Chief Technology Officer of OtoSense
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About OtoSense: OtoSense is the next generation automated sound recognition technology that utilizes the power of machine learning.