Join us at RSAC 2026
Leadership

Our Team

We got tired of the same broken playbook: proxies stacked on agents stacked on excuses. So we did what operators do best. We tore it down. Our leadership comes from offense, defense, and decades outside the wire, with experience across leading cybersecurity firms and national security organizations. We’re not here to play it safe. We’re here to shut down the theater and bring security back to reality. It’s not evolution. It’s a reset.

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Our Foundation

Built on real-world operational experience and rigorous architectural discipline.

Technical
Discipline

Conceal is grounded in practical security architecture. Our team has operated VPN, proxy, endpoint, and access management environments at scale. We build with a clear understanding of real-world constraints and tradeoffs.

Security and
Privacy by Design

Runtime enforcement occurs locally in the browser, reducing unnecessary traffic routing and centralized inspection. We design for strong protection without expanding data collection or weakening privacy boundaries.

Partnership in Execution

We work directly with security teams, MSPs, and enterprise operators to validate enforcement in real environments. Our approach prioritizes architectural fit, not forced disruption.

Our Team

The team building the world’s leading browser defense company.

Professional headshot of Eric Cornelius wearing glasses, a white dress shirt, and dark blazer in a bright office setting.
Chief Executive Officer

Eric Cornelius

Professional headshot of Craig Whetstone smiling, wearing glasses and a light blue dress shirt, in a bright office setting.
Chief Operating Office

Craig Whetstone

Nick Mandelstein smiling in a professional headshot, wearing a blue checkered shirt and navy sweater in an office setting.
VP of Sales

Nick Mandelstein

Professional headshot of Jason Shiffer, a bearded man in a light blue dress shirt, in a modern office setting.
SVP, Technology

Jason Shiffer

Christopher Park smiling in a dark suit and black shirt against a bright modern office background.
VP, Sales Engineering

Christopher Park

Careers

Come work with us.

Join a team focused on runtime browser defense and identity-scoped application access. We are looking for experienced operators who care about architectural precision and measurable security impact.

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A browser-native security platform that delivers Zero Trust access and real-time browser security.

© Conceal, 2026. All rights reserved.