About
Jack Naglieri is a Member of Technical Staff at Databricks, where he is building Lakewatch. He founded Panther, a security platform combining a security data lake, detection-as-code, and AI agents, which raised $140M from Coatue, Lightspeed, and S28 Capital, was adopted by companies including Coinbase, Docker, and Plaid, and was acquired by Databricks in June 2026. Earlier, he worked as an incident responder at Yahoo and led development of the open-source framework StreamAlert at Airbnb, and he hosts Detection at Scale, a podcast and newsletter on AI-powered security operations.
Founder at Panther
Intro paths
→
In turn, Jack can intro founders to Panther's investors below.
Founder at Panther
Intro paths
→
In turn, Jack can intro founders to Panther's investors below.
Panther's investors · 1
Experience
- DatabricksMember of Technical Staffcurrent2026 — presentSan Francisco, California, United States
- PantherFounder & CEO2026
- PantherFounder & CTO2024 — 2026
- PantherFounder & CEO2018 — 2024San Francisco, California, United States
- AirbnbSecurity Engineering Manager2018San Francisco, California, United States
- AirbnbSenior Security Engineer2016 — 2018San Francisco, California, United States
- YahooSecurity Engineer2015 — 2016Sunnyvale, California, United States
- YahooSecurity Analyst2012 — 2015Sunnyvale, California, United States
- VERISIGNInformation Security Analyst2011Sterling, Virginia, United States
Skills & more
Linux25Python19Ruby3Amazon Web Services (AWS)Git1Information Security25DevOps3Chef4Infrastructure1Incident Response3Continuous Delivery1Computer Forensics
+5 more
Digital ForensicsWeb Application SecurityMemory ForensicsShell ScriptingSecurityLanguages English
- dy/dx 2024 — Stanford University Graduate School of Business
From Jack's professional profile.
Frequently asked questions
- Who is Jack Naglieri?
- Jack Naglieri is a Member of Technical Staff at Databricks, where he is building Lakewatch. He founded Panther, a security platform combining a security data lake, detection-as-code, and AI agents, which raised $140M from Coatue, Lightspeed, and S28 Capital, was adopted by companies including Coinbase, Docker, and Plaid, and was acquired by Databricks in June 2026. Earlier, he worked as an incident responder at Yahoo and led development of the open-source framework StreamAlert at Airbnb, and he hosts Detection at Scale, a podcast and newsletter on AI-powered security operations.
- Where does Jack Naglieri work?
- Jack Naglieri is Founder of Panther.
- What companies did Jack Naglieri found?
- Jack Naglieri founded Panther, Panther.
- Where did Jack Naglieri go to school?
- Jack Naglieri studied at George Mason University (Bachelor of Science (B.S.), Applied Information Technology).
Founder mafias
Airbnb mafia92
Also came through, then founded or led a company.
Reid HoffmanBoard ObserverFounded LinkedIn +2Brian ArmstrongSoftware EngineerFounded Coinbase +1Khaled HusseinPayments Product LeadFounded Tilt +2Honghao DengUX Research ScientistFounded Butlr +2James J BesharaDirector, ProductFounded Tilt +1Leah CulverSenior iOS EngineerFounded Breaker +1
+ 85 more
Databricks mafia28
Also came through, then founded or led a company.
Ben HorowitzDirectorFounded OpswareNaveen RaoVice President of Artificial IntelligenceFounded Mosaic ML +1Danny WenInvestorFounded Crowdmade +1Jean Yves StephanSoftware Engineer and Tech Lead ManagerFounded Data Mechanics +1PankajVP, Product and Data PartnershipsFounded AI21 LabsAndy KonwinskiFounderFounded Perplexity
.png)
+ 21 more
George Mason University mafia19
Also came through, then founded or led a company.
Alexandria LafciMaster of Education (M.Ed.)Founded Hometeam Ventures +1Isaac MosqueraOperations ResearchFounded AppMakr +1Jordan BrambleBachelor of Science (B.S.)Founded Antares Nuclear +1Sekhar PuliMSFounded REAN CloudPaul SinghB.S.Founded StrataPTCraigBachelor of Science - BSFounded Cognitive Space
+ 12 more
VeriSign mafia16
Also came through, then founded or led a company.
Shail KhiyaraManaging DirectorFounded Plutoshift AI +1Mahi De SilvaSenior Vice PresidentFounded Higgsfield AI +1Lars AlbrightVP, Account Management & Business Development (Acquired by VeriSign in 2006)Founded Session MJennifer LumDirector, Digital Content ServicesFounded BiospringJessvin ThomasConsultantFounded AuguriaRob DeMilloVice President - EngineeringFounded Sophia
+ 9 more
Panther mafia2
Also came through, then founded or led a company.
Same school
Also attended George Mason University49
Karan MehandruManaging Director at Madrona Venture GroupBeau HigginsVP (OPlign), Senior Client Partner (The Military Veteran) at Context VenturesMuna AbuSulaymanFounder & Managing Partner at Transform Capital ManagementVeronica DaiglePresident, National Security Practice at Red Cell IncubationJeff ShermanCo-Founder and CTO, Zephyr AI at Red Cell IncubationSaeyeon KwonResearch Associate, Stewardship at Sands Capital Ventures
+ 43 more
Shared employers
Also worked at Panther6
Also worked at Airbnb163
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockAlfred LinPartner at Sequoia CapitalHans TungManaging Partner at Notable CapitalBrian CheskyCo-founder & CEO of AirbnbJoe GebbiaCo-founder of AirbnbNathan BlecharczykCo-founder & CSO of Airbnb
+ 157 more
Also worked at Yahoo342
Jess LeePartner and Chief Product Officer at Sequoia CapitalMike SpeiserManaging Director at Sutter Hill VenturesBrian ActonCo-founder of WhatsApp; co-founder of Signal FoundationStewart ButterfieldCo-founder of Slack and FlickrMax LevchinCo-founder of PayPal; founder, chairman & CEO of Affirm; partner at SciFi VCAmjad MasadCo-founder & CEO of Replit
+ 336 more
Also worked at VERISIGN38
Maria CirinoInvestor at .406 VenturesAl GhousInvestor at Notable CapitalMichael MeallingGeneral Partner at Starbridge Venture Capital LlcSean LeachPartner, Investments at Capital One VenturesChris GardnerPartner at Underscore VCLars AlbrightGeneral Partner at Unusual Ventures
+ 32 more