About
Alex Hyungwoo Noh founded 6thSense, an enterprise security startup focused on securing and monitoring MCP systems. He previously worked as a mechanic and tank driver in the UAE, held an AI role in the ROK Army's human resources division, and studied computer science and economics at the University of Chicago.
Founder at 6thSenseYC S26
Intro paths
YC
Alex went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Tyler Bosmeny, General Partner at Y Combinator — the partner who ran 6thSense's batch and knows the company first-hand. YC profile ↗
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In turn, Alex can intro founders to 6thSense's investors below.
6thSense's investors · 1
Co-founders at 6thSense
Experience
- 6thSenseCo-Foundercurrent2026 — presentSan Francisco, CA
- Catalyst LabsFellowshipcurrent2026 — presentNew York, United States
- Seoul National University Graduate School of Data ScienceResearch Intern2025Gwanak District
- Republic of Korea Army ReconnaissanceTrack Vehicle Mechanic, SGT2023 — 2025Abu Dhabi Emirate, United Arab Emirates
- Republic of Korea Army ReconnaissanceResearch Project Lead2024Gyeryong
- UC Irvine Civil & Environmental EngineeringUndergraduate Researcher - Adeleye Lab2023Irvine, CA
- Samsung ElectronicsResearcher2021 — 2022Seoul, South Korea
- Carnegie Mellon UniversityArtificial Intelligence Research Intern2020 — 2021Rochester, NY
Skills & more
English1BioinformaticsGit1SQL1Data Visualization1Large Language Models (LLM)1Flask1Close Quarters Combat (CQB)1Reconnaissance1Preventive Maintenance1Sales Management1Translation1
+12 more
Maintenance and RepairKerasPandas (Software)NumPyMilitary OperationsMilitary Weapons HandlingJoint Military OperationsCommercial DrivingRadio Frequency (RF) EngineeringMATLABTensorFlowPyTorchLanguages Chinese · English · Korean
From Alex's professional profile.
Frequently asked questions
- Who is Alex Hyungwoo Noh?
- Alex Hyungwoo Noh founded 6thSense, an enterprise security startup focused on securing and monitoring MCP systems. He previously worked as a mechanic and tank driver in the UAE, held an AI role in the ROK Army's human resources division, and studied computer science and economics at the University of Chicago.
- Where does Alex Hyungwoo Noh work?
- Alex Hyungwoo Noh is Founder of 6thSense.
- What companies did Alex Hyungwoo Noh found?
- Alex Hyungwoo Noh founded 6thSense.
- Where did Alex Hyungwoo Noh go to school?
- Alex Hyungwoo Noh studied at Y Combinator; University of Chicago (Bachelor, Computer Science and Economics); The Thacher School (Student).
Founder mafias
Y Combinator mafia8,773
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Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
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Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
Carnegie Mellon University mafia231
Also came through, then founded or led a company.
Kai-Fu LeeResearch Computer Scientist / Assistant ProfessorFounded 01Lucy GuoComputer ScienceFounded Passes +1Joshua XuMaster's degreeFounded HeyGenWilliam GuttmanDistinguished Service Professor of Economics & Special Advisor to ProvostFounded CurvePoint +3Dr. Manu KumarBSFounded K9 Ventures +2Rodney BrooksResearch ScientistFounded Rethink Robotics +2
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University of Chicago mafia102
Also came through, then founded or led a company.
Bobby PittmanMaster's degreeFounded Oathafrica +2Sean HarperABFounded TransFS +2Bharat KilaruBachelor of Arts (BA)Founded Verano Health +2Matt KrisiloffFounded Preventive +1Robby YungB.A. cum laudeFounded The Sandbox +1Alexis BorisyBachelor's degreeFounded Foundation Medicine +1
+ 95 more
The Thacher School mafia3
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
Also attended University of Chicago349
Mark SusterManaging Partner at Upfront VenturesShardul ShahInvestor at Index VenturesSam BlackmanEntrepreneur in Residence at GV (Google Ventures)Clay FisherInvestor at Spark CapitalJonas CiplickasPrincipal at Scale Venture PartnersJulia Gonzalez SandersPartner and General Counsel at Crosslink Capital
+ 343 more
Also attended The Thacher School14
Yusill ScribnerInvestments at Impact America FundJack PierrepontInvestor at DN CapitalElsabet JonesAssociate at Buckhill CapitalAndrew BeebeManaging Director at Obvious VenturesAndrew DeYoungInvestor Relations at Saints CapitalRichard SmithCo-Founder and Managing Partner at Mosaic General Partnership, LLC
+ 8 more
Shared employers
Also worked at 6thSense2
Also worked at Samsung Electronics93
Tom DriscollPrincipal at Differential VenturesSang Won LeeEntrepreneur in Residence at Storm VenturesDavid GoldschmidtManaging Director, Head of the Fund at Samsung Catalyst FundAdry ElmiladyInvestment Principal at Samsung Catalyst FundIan ClowInvestment Director at Samsung Catalyst FundMartin ScottSenior Technical Advisor at Samsung Catalyst Fund
+ 87 more
Also worked at Carnegie Mellon University148
Kai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIJavier SolteroSenior Venture Partner at Felicis VenturesDiana HuGeneral Partner at Y CombinatorCindy PadnosFounder and Managing Partner at Illuminate VenturesMaryanna SaenkoCo-founder at Future VenturesSalvador GalaCo-founder & Managing Partner at Ev3 Ventures Llc
+ 142 more