About Custos

Accountability for the AI workforce.

cus·tosLatin for guardian: the trusted layer that helps organizations understand and optimize a growing AI footprint. The name also evokes "Cost OS", our roots in AI economics, extended into workflow efficiency, performance, governance and business value.
01Our story

We watched AI spread faster than anyone could account for it.

Across the companies we built products for, the pattern was the same. Teams adopted agents, copilots and automations on their own. Within months there were hundreds of them, chained together into workflows that touched finance, support and engineering.

People had a system of record for their employees, their cloud and their access. For AI, there was a spreadsheet, if anything. Nobody could say which agents existed, who owned them, what they cost, or whether they were helping the business at all.

Custos started from a simple belief: every AI asset should be as accountable as any other part of the business. Connected to a process, an owner, a budget and an outcome. And every insight should lead to an action, not just another dashboard.

Vision

Become the AI optimization platform for AI-driven organizations, connecting AI activity to operational and business impact.

Mission

Make AI measurable and effective in business context.

Principle

Accountability over dashboards

Every insight becomes a recommendation, tied to a process, an owner and a budget.

Principle

Context before control

We understand what an agent is for before suggesting what to change about it.

Principle

Least privilege, always

Read only access and usage metadata. Never prompts, never business data.

02The team

Built by operators who scaled platforms for a living.

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Eillie Silverstein

Co-founder, CEO and CPO

Over ten years of executive product leadership taking AI, fintech and B2B SaaS products from zero to enterprise scale. Expert in AI driven automation, product led growth and go to market.

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Lidor Gerstel

Co-founder, CTO

Senior AI and platform engineer with deep experience designing and building scalable systems, with a focus on turning technical ideas into reliable products.

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Hanan Lipskin

Co-founder

Over ten years building AI and SaaS products, from founding Keepers ($3M ARR, $16M raised) to leading AI product at SignNow. Hands-on in agentic AI, MCP and conversational AI.

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