Thomas hallaran
| Thomas Hallaran | |
| Occupation | Co-founder and Chief Technology Officer, Capitol AI |
|---|---|
| Known for | Co-founding Capitol AI |
Thomas Hallaran, also known as Tom Hallaran, is an American technology entrepreneur and co-founder and chief technology officer of Capitol AI, an enterprise artificial intelligence company that participated in Y Combinator's Summer 2024 batch.[1] Capitol AI develops what it describes as a "sovereign operating system for intelligence," designed for regulated, high-stakes institutions.
Career
Hallaran co-founded Capitol AI alongside Shaun Modi. According to his Crunchbase profile, Hallaran has founded four organizations and held multiple professional roles over the course of his career. He is based in New York City.
Capitol AI builds an enterprise AI platform targeted at professional services firms, financial services organizations, and government agencies. The company's core product runs entirely within an organization's own infrastructure, transforming proprietary data into structured, decision-grade outputs such as due diligence reports, regulatory documentation, and executive intelligence briefings. The platform is model-agnostic, meaning it is not tied to any single AI model provider, and operates with no data egress — ensuring that client data does not leave the enterprise environment.[2]
Capitol AI's product features include sovereign agentic search tailored to an organization's private data, automated intelligence synthesis that generates full reports and briefs from structured or unstructured data, and customizable artifact generation that can produce outputs in formats ranging from presentations and spreadsheets to code and audio. The company emphasizes rapid deployment, claiming organizations can deploy the platform at scale within days and maintain their data in a secure, single-tenant environment.[2]
The company operates across categories including AI-enhanced learning, workflow automation, analytics, media, and artificial intelligence. As of 2025, Capitol AI is actively hiring for engineering roles in both the United States and the United Kingdom, including forward deployed engineers based in London, indicating international expansion of its operations.[1]
References
- ↑ 1.0 1.1 "Capitol AI – Y Combinator". 'Y Combinator}'. Retrieved 2026-03-18.
- ↑ 2.0 2.1 "Capitol AI – The Sovereign Operating System for Intelligence". 'Capitol AI}'. Retrieved 2026-03-18.