01
AI / LLM Infrastructure Design
Production architecture for LLM systems: orchestration and routing layers, retrieval, evaluation harnesses, low-latency inference, and reliability frameworks that hold up under real load.
LAB555 — NAMED FOR THE 555 TIMER, THE FIRST CHIP I EVER WIRED
I build AI that reasons, decides, and ships.
I'm Henry Duong — technical founder, chief scientist, board director, and fractional CTO. MD-trained, Silicon Valley-built. I design, review, and de-risk AI/LLM infrastructure and agentic systems — the kind where multiple models collaborate, reason, and act in real time.
$ I make and break things.
CTO · CHIEF SCIENTIST · MD
0Startups founded
0Exits
0IPO (CSE: KASH)
0+2 pendingUS patent granted
0Scaled valuation
0Countries shipped in
INVESTORS IN MY COMPANIES — OPERATORS & INSTITUTIONS WHO BACKED THE WORK
CombinatorInvestor & accelerator — Sully.ai
Mayo ClinicLead investor — GIBLIB
Eric YuanFounder & CEO, Zoom
RocketMoneyHaroon Mokhtarzada, CEO
workdayInvestor — Sully.ai
Investor
Sully.ai
Combinator
workday
GIBLIB
Intellabridge
DiagnosisAI
Thesiger Capital
NASA
DARPA
aws
NVIDIA
IBM Watson
The Wall Street Journal
CES
MIT Sloan
UC Berkeley
Stanford
Sully.ai
Combinator
workday
GIBLIB
Intellabridge
DiagnosisAI
Thesiger Capital
NASA
DARPA
aws
NVIDIA
IBM Watson
The Wall Street Journal
CES
MIT Sloan
UC Berkeley
Stanford
01 — WHO YOU'RE WORKING WITH
A founder who has done it
from zero to IPO — and back to the whiteboard.
I've spent 15+ years building and breaking AI systems in the real world — not in slide decks. I co-founded Sully.ai and scaled its engineering and core technology from a ~$35M seed-stage company to ~$250M post–Series A, architecting a multi-agent clinical AI platform that scribes, reasons, and acts inside live EHR systems. The companies I've built have drawn backing from people and institutions who don't write checks lightly — Mayo Clinic, Zoom founder Eric Yuan, and Rocket Money.
Before that I took Intellabridge from pre-seed to a public listing (CSE: KASH), grew the org from 10 to 70+ engineers across continents, led GIBLIB's Mayo-Clinic-backed surgical AI platform, and built DiagnosisAI — deployed to Special Operations under a DARPA contract and partnered with NASA Ames.
I'm an MD who learned to ship production software, which means I translate fluently between the clinic, the boardroom, and the codebase. I hold a granted US patent on multi-agent clinical decision systems and published Second Opinion Matters on consensus model ensembles. I've been a guest lecturer at UC Berkeley, course advisor at Stanford, and an AWS CTO Fellow.
Lab555 is named after the 555 timer — the first chip I ever wired, at age 10. It still does one thing perfectly: it keeps time, reliably, forever. That's the bar I hold for the systems I help you build.
02 — WHAT I DO
Engagements built to de-risk and accelerate.
Sector-agnostic. I've shipped in healthcare, finance, legal, enterprise, consumer, and defense-adjacent environments. Pick the depth you need — strategy, architecture, or hands-on.
02
Agentic Pipelines & Multi-Agent Systems
Designing systems where specialized agents collaborate, reason, and act — consensus and ensemble reasoning, tool use, and human-in-the-loop guardrails. The space my patent is written in.
03
AI Review & Technical Assessment
Independent audits of models, code, and IP: readiness reviews, failure-mode analysis, eval design, and a clear-eyed read on what's real versus what's a demo.
04
Technical Due Diligence
Diligence for funds and acquirers — I was the technical authority for a $500M fund. Architecture, team, scalability, and risk, distilled into decisions you can defend.
05
Systems & EHR / Data Integration
Wiring AI into the workflows it has to live in — EHRs, enterprise systems, real-time pipelines, and APIs — so models produce structured output people actually use.
06
Fractional CTO, Board Director & Advisor
0→1 and 0→IPO scaling, org design, technical roadmaps, and fundraising support. I've grown teams from 10 to 70+ across 8 countries — and I take on board director and advisory seats where I can move the needle.
03 — WHERE I'VE SHIPPED
One operator. Many domains.
/01
Healthcare & Clinical
Clinical AI, EHR workflows, surgical video, telemedicine.
/02
Finance & Fintech
Blockchain infrastructure, payments, a public listing.
/03
Legal & Compliance
Regulated data, privacy, security-first architecture.
/04
Enterprise
Distributed systems, MLOps, global engineering orgs.
/05
Consumer
Cross-platform apps with 100K+ users; voice & mobile.
/06
Defense-adjacent
DARPA-deployed decision support; NASA-affiliated R&D.
04 — SELECTED WORK
A track record you can point to.
2024 → NOW
Sully.ai Co-Founder · Chief Scientist
Built and scaled engineering from early launch through deployment — ~$35M seed to ~$250M post–Series A. Architected a multi-agent clinical AI platform and the "Sully Intelligence" LLM orchestration layer; shipped the first agentic AI employee, scaling to six. Patent + publication.
2022 → 2024
Thesiger Capital Technical Diligence Lead · Fractional CTO
Technical authority for a $500M fund (ex–Deutsche Bank leadership). Led all technology diligence and evaluation decisions and advised portfolio companies as fractional CTO.
2020 → 2023
GIBLIB Chief Technology Officer
Led the technical vision for a Mayo-Clinic-backed AI medical video + VR surgical platform. Built NLP-driven ingestion and DNN/CNN/RNN video understanding, turning vast unstructured footage into structured learning systems.
2017 → 2019
Intellabridge CTO · Co-Founder · Board Director
Took the company from pre-seed to a public listing (CSE: KASH / OTCQB: KASHF). Scaled engineering 10 → 70+ globally and architected blockchain-based financial infrastructure.
2016 → 2019
DiagnosisAI CTO · Co-Founder
Built an NLP medical Q&A system deployed to Special Operations via a DARPA contract and partnered with NASA Ames. Cross-platform apps and a voice skill reaching 100K+ users.
05 — PROOF
Patents, press, and podiums.
US PATENT · GRANTED 2026
US 12,525,363 B1
"Providing insights to a doctor from a consensus of multiple AI specialists analyzing conversation." A multi-agent AI architecture for real-time clinical decision support — with two additional patents pending.
PUBLICATION · 2025 → Second Opinion Matters: Towards Adaptive Clinical AI via The Consensus of Expert Model Ensemble
- ★ 1st Place — AT&T Shape Hackathon, Best Use of IBM Watson AI
- ★ CES Innovation Award Honoree · Featured in CES Daily
- ★ Featured — The Wall Street Journal (business front page)
- ★ NVIDIA Inception · IBM Global Entrepreneur Program
- ★ AWS CTO Fellowship — invite-only cohort (Mailchimp, Twitch, Gorgias)
- ★ Keynote Panel Speaker — AI Expo North America
- ★ Guest Lecturer — UC Berkeley · Course Advisor — Stanford
- ★ MIT Sloan — Executive Certificates, Management & Leadership
06 — LET'S BUILD
Have a system worth
getting right?
Tell me what you're building or stuck on. Whether it's an architecture review, an agentic pipeline, diligence on a deal, or a fractional CTO seat — I'll tell you straight whether I can help and how.