Find your path to Bryon
324 people in our graph share verified history with Bryon β schools, employers, funds. One of them is your warm intro.
Les CraigunlockedBryon: together at The Johns Hopkins University Applied Physics Laboratory (2008β2009)
Γ6Bryon: together at SpaceX
Γ2Bryon: together at Castelion
Bryon: together at The Johns Hopkins University
About
Bryon Hargis is the co-founder and CEO of Castelion, a company that designs, tests, and manufactures hypersonic missile systems in the United States. The company operates with a production- and hardware-first approach aimed at increasing domestic manufacturing capacity for advanced weapons systems.
Co-Founder & CEO at Castelion
Intro paths
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In turn, Bryon can intro founders to Castelion's investors below.
Castelion's investors Β· 17
7percent VenturesLondon Β· $250K β $2M checksAndreessen HorowitzMenlo Park Β· $500K β $50M checks Β· since 2025Angel Collective Opportunity FundSan FranciscoAvenir Growth CapitalNew YorkBlueYard CapitalBerlin Β· $500K β $5M checksCantos VenturesSan Francisco Β· $400K β $1.5M checksChampion Hill Ventures$500K β $1M checksFirst InHobe Sound Β· $500K β $2M checksGeneral CatalystSan Francisco Β· $30M checksIceNineLondonLavrock VenturesWashington Β· since 2025Lightspeed Venture PartnersMenlo Park Β· $1.7M β $87M checksNEW VISTA CAPITALWashingtonSilent VenturesDallas Β· $1.5M β $3M checksSpaceVCAustin Β· $1M β $5M checksSparq Capital (SFO)Palo AltoU.S. Air Forcesince 2023
Co-founders at Castelion
SP

Sean PittCo-Founder & COO
AK

Andrew KreitzCo-Founder & CFO
CB
Charles Bryon HargisExecutive Officer, Director, Promoter
Experience
- CastelionFounder // CEOcurrent2022 β presentEl Segundo, California, United States
- SpaceXSr. Director, Government Sales2022Washington DC-Baltimore Area
- SpaceXDirector, Government Sales2018 β 2022Washington DC-Baltimore Area
- SpaceXManager, Government Sales2017 β 2018Washington DC-Baltimore Area
- OmniEarth, Inc.Head of Business Development and Sales2014 β 2017Arlington, VA
- The Johns Hopkins University Applied Physics LaboratoryDirector Business Development - Space Systems2012 β 2014El Segundo, CA
- The Johns Hopkins University Applied Physics LaboratoryEnhancing Terrestrial Operations Lead for the National Security Space Business Area2010 β 2012Laurel, MD
- The Johns Hopkins University Applied Physics LaboratorySenior Business Development Lead - Space Systems2007 β 2012Laurel, MD
- The Johns Hopkins University Applied Physics LaboratorySenior Sensor Scientist/Engineer2002 β 2007Laurel, MD
- Air Quality Lab Georgia TechResearch Assistant1999 β 2002
Skills & more
Sales Management41Enterprise Technology Sales33Business Development42Leadership17Lean Startup7Software as a Service (SaaS)7Salesforce.com6Go-to-market Strategy8Strategic Partnerships8Conflict Resolution8Big Data Analytics7Sensors37
+12 more
Engineering ManagementSpace SystemsProgram ManagementContract NegotiationBusiness StrategyIntellectual PropertyEarly Stage CompaniesProposal LeadershipSystems EngineeringImage ProcessingTestingSimulationsFrom Bryon's professional profile.
Frequently asked questions
- Who is Bryon Hargis?
- Bryon Hargis is the co-founder and CEO of Castelion, a company that designs, tests, and manufactures hypersonic missile systems in the United States. The company operates with a production- and hardware-first approach aimed at increasing domestic manufacturing capacity for advanced weapons systems.
- Where does Bryon Hargis work?
- Bryon Hargis is Co-Founder & CEO of Castelion.
- What companies did Bryon Hargis found?
- Bryon Hargis founded Castelion.
- Where did Bryon Hargis go to school?
- Bryon Hargis studied at The Johns Hopkins University (MS, Applied Physics); Georgia Institute of Technology (BS, Mechanical Engineering).
Founder mafias
Georgia Institute of Technology mafia365
Also came through, then founded or led a company.
Neil UnderwoodBSFounded Canapi Ventures +2Lukasz GadowskiExchange SemesterFounded Spreadshirt +2Bettina HeinMasters of Science in Computer ScienceFounded Juli +2Eduardo NeeterMBAFounded Atdc +2Jeff FlowersMS and BSFounded Carbonite +2Aamir PoonawallaMastersFounded Orchestra +1
+ 358 more
The Johns Hopkins University mafia171
Also came through, then founded or led a company.
Dave JohnsonMaster's degreeFounded Dash BioC. Giovanni TraversoPhDFounded Teal Bio +4Paul GrossingerBachelor of ArtsFounded Gaingels +3Christoph LengauerPostdocFounded Celsius Therapeutics +3Anne OsdoitMaster of Science (MS)Founded Moon Surgical +2Andrew LevyBachelor of Science (B.S.)Founded Apteligent +2
+ 164 more
Same school
Also attended The Johns Hopkins University532
Dave JohnsonCo-founder & CEO of Dash BioNicole GaudelliEntrepreneur in Residence at GV (Google Ventures)Wes NicholsPartner at March Capital PartnersDemi ObayomiPrincipal at Sapphire VenturesJun JeonInvestor at Khosla VenturesNicole FraenkelInvestor at Khosla Ventures
+ 526 more
Also attended Georgia Institute of Technology701
Brando De CourtenData Engineer at P101 VenturesTom DyalCo-Founder at Redpoint VenturesWouter Van de PutteInvestment Director at Capricorn Venture PartnersWill McGinnisEntrepreneur and data science executive working at the intersection of AI/ML, technology, and business strategyJaya GuptaInvestor at Foundation CapitalJames WangGeneral Partner at Creative Ventures
+ 695 more
Shared employers
Also worked at Castelion7
Katherine BoyleGeneral Partner at Andreessen Horowitz (American Dynamism)David KimVenture Partner at IronGate Capital AdvisorsKirsten Bartok TouwCo-Founder & Managing Partner at NEW VISTA CAPITALJackson MosesVenture Partner at Afore CapitalErik KriessmannPartner at Altimeter CapitalJonathan LacosteFounder & General Partner at SpaceVC
+ 1 more
Also worked at SpaceX240
Roelof BothaAdvisor & former Steward at Sequoia Capital; SpaceX board memberSteve JurvetsonCo-founder of Future VenturesAsanka JayasuriyaPortfolio Support at 8VCJustin RoseInvestment Team at 8VCGarry HillInvestment at Makers FundHelen LiangFounder & General Partner at FoundersX Ventures
+ 234 more
Also worked at The Johns Hopkins University Applied Physics Laboratory33
Les CraigInvestor at Next Frontier CapitalKahini ShahPartner at Obvious VenturesR. Jacob VogelsteinCo-Founder and Managing Partner at Catalio Capital Management, LPJames GettingerCo-Founder and Managing Partner at Gutter CapitalCasey CarusoPartner at ParadigmRalph GooteeAngel
+ 27 more





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