We build the brains, not just the pipelines.

Mast Labs builds AI infrastructure, domain intelligence, and operating models for regulated environments. Engagements when you need clarity. Infrastructure when you need AI to work.

See our work
mastOS platform architecture
02 · WHAT WE BUILD

We build the intelligence layer.

Most AI infrastructure moves data. The hard part is what happens in between. The taxonomy, the ontology, the classification models that turn raw data into the language your business actually uses. That is what we build.

Pillar 01

AI Infrastructure

Multi-tenant, event-driven platforms. PHI-safe, governed, observable. Architecture, data, and orchestration designed for regulated environments.

Pillar 02

Domain Intelligence

Proprietary taxonomy, ontology, and classification systems. Purpose-built small language models trained on your domain, not the open internet. The systems that decide and route.

Pillar 03

Governance

Audit trails, PHI firewalls, policy enforcement. Built into the platform, not bolted on after. Compliance as a system property, not a project.

03 · STRUCTURE

One brand. One platform. One practice. Built to compound.

01 · Brand
MAST LABS
Brains, not just pipelines. AI infrastructure and domain intelligence for regulated environments.
02 · Platform & Engagements
Platform
mastOS
AI control plane for regulated environments. Multi-tenant. Azure-native. PHI-safe.
Acquisition · Operations · Clinical · Analytics · Governance
Executive Engagements
Engagements
For CEOs, COOs, CTOs, and AI leadership navigating production AI in regulated environments.
03 · Harbors · Vertical Deployments
Live Harbor 001
TheraLoop
Outpatient physical therapy. Clinical intelligence loop.
Pipeline Future Harbors
Regulated Verticals
Healthcare expansion, clinical research, regenerative medicine, finance, and other regulated environments.
MAST LABS IS THE BRAND  ·  MASTOS IS THE PLATFORM  ·  EXECUTIVE WORK IS HOW WE WORK WITH LEADERSHIP TODAY
04 · PROOF

Where it's running.

Healthcare AI · Multi-Agent Orchestration

Production multi-agent system for patient acquisition and care operations.

Primary Outcome
500K+ INTERACTIONS · 1:24 RATIO
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Data Intelligence · Genomic Taxonomy

Genomic taxonomy and content intelligence rebuild across 200M+ digital assets.

Primary Outcome
$215M+ REVENUE IMPACT
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Platform Architecture · Multi-Tenant Subscription

Real-time multi-tenant data platform for subscription lifecycle at scale.

Primary Outcome
300+ PARTNERS · 35M+ SUBSCRIBERS
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05 · FIELD NOTES

From the work.

Notes on building production AI in regulated environments. Long-form lives on LinkedIn.

LinkedIn · Mast Labs · Nov 2025

Building Agentic AI: Where Assessment Becomes Architecture.

Tools automate tasks. Agentic systems understand purpose. The difference is whether intent, evidence, and accountability are wired into the architecture before autonomy is introduced.

Read on LinkedIn →
LinkedIn · Ara Galarza · Jan 2026

AI Foundations Are the Antithesis of What Meets the Eye.

Most teams don't fail because they chose the wrong model. They fail because the right questions were never asked early enough, before assumptions hardened into data structures and workflows.

Read on LinkedIn →
LinkedIn · Ara Galarza

From AI Apps to Infrastructure.

AI at the application layer reduces task time. AI at the operating layer reduces economic drag. Operating models decide whether AI spend behaves like an expense or an asset.

Read on LinkedIn →
06 · CONNECT

Working with us.

Mast Labs is taking on a small number of fractional and advisory engagements. If you are building or scaling AI in a regulated environment, let's talk.

See case studies →
For
Investors Evaluating AI exposure in regulated portfolios.
Operators Building or scaling AI platforms in healthcare and complex environments.
Founders Looking for technical leadership without committing to headcount.