John Gedmark
InvestorFounderZero to One Mentor at Commonweal Ventures · Founder/CEO at Astranis · Founder at Astranis Space Technologies Corp.
San Francisco, California, United States
Find your path to John
287 people in our graph share verified history with John — schools, employers, funds. One of them is your warm intro.
Akshat GoenkaunlockedJohn: together at Y Combinator (2016)
×9John: together at Y Combinator
John: together at Astranis
John: together at Commercial Spaceflight Federation
About
John Gedmark is an aerospace engineer and the CEO and cofounder of Astranis, a company that builds and operates satellites for geostationary and other high orbits to provide communications infrastructure for enterprises, governments, and the US military. He previously cofounded and served as Executive Director of the Commercial Spaceflight Federation and was Director of Rocket Flight Operations at the X Prize Foundation. He earned a B.S. from Purdue University and an M.S. from Stanford University, both in Aerospace Engineering.
Likely emails· guessed from name + firm domain, not firm-published
- j•••@astranis.comreveal90% confident
- j•••@astranis.comreveal75% confident
Invests in
Space Tech
Founder/CEO at AstranisYC W16
Intro paths
YC
John went through Y Combinator (Winter 2016) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran Astranis's batch and knows the company first-hand. YC profile ↗
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In turn, John can intro founders to Astranis's investors below.
Astranis's investors · 47
ACE & CompanyNew YorkAmplify PartnersMenlo Park · $500K – $5M checks · since 2016Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2026Baillie GiffordEdinburgh · since 2026BAM ElevateChicago · since 2026Black FlagSan Diego · $100K – $1M checksBlackRockWilmington · since 2026BoxGroupNew York · $1M checksCantos VenturesSan Francisco · $400K – $1.5M checksCherubic VenturesGrand Cayman · $220K – $27M checksCommonweal VenturesNew York · $500K – $2.5M checksCrunchFundElefundMountain ViewFelicis VenturesSan Francisco · $500K – $15M checksFidelity InvestmentsBoston · since 2026Fifty YearsSan Francisco · $250K – $2M checksFranklin TempletonSan Mateo · since 2026Friends Family CapitalSilicon Valley · since 2026Garage CapitalWaterlooHarpoon VenturesSan Diego · $100K – $5M checksHaystackSan Francisco · $1M – $3M checksHelium-3 VenturesNew YorkInvariantes FundGuatemala CityJude GomilaLynnwoodKoch Disruptive TechnologiesSan FranciscoLiquid VenturesSan Francisco · $250K – $5M checksLux CapitalNew York · $100K – $100M checksManta Ray VenturesLondonMetaplanetTallinn · $500K – $10M checksNimble PartnersSan Francisco · since 2026NKM CapitalSan FranciscoPage One VenturesSilicon ValleyPreston-Werner VenturesSan Francisco Bay Area · $500K – $3M checksRefactor CapitalBurlingame · $1M – $2M checksRising TidePacificaSnowPoint VenturesWest Palm Beach · since 2026SV AngelSan FranciscoTeam GlobalBerlinTrinity CapitalPhoenix · since 2026Tuesday CapitalSan FranciscoU.S. Air Forcesince 2019Uncorrelated VenturesLas Vegas · since 2021UpHonest CapitalSilicon Valley · $50K – $1M checksV1 VCBoulder · $100K – $300K checksVenrockPalo Alto · $500K – $10M checks · since 2021XYZ Venture CapitalSan Francisco · $10K – $5M checksY CombinatorSan Francisco · $500K checks · since 2016
Co-founders at Astranis
RM
Ryan McLinkoFounder/CTO
Founder at Astranis Space Technologies Corp.
Intro paths
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In turn, John can intro founders to Astranis Space Technologies Corp.'s investors below.
Astranis Space Technologies Corp.'s investors · 6
Co-founders at Astranis Space Technologies Corp.
RM
Ryan McLinkoExecutive Officer, Director
Experience
- AstranisCEO & Cofoundercurrent2015 — presentSan Francisco Bay Area
- Commercial Spaceflight FederationCofounder, Executive Director2007 — 2012
- X Prize FoundationDirector of Flight Operations2005 — 2007Santa Monica, California
- VariousAerospace Engineering Internships2001 — 2005Various
Skills & more
Satellite Systems Engineering3Rocket PropulsionSatellite Tool KitOctaveGenetic AlgorithmsMachine LearningSolidworksC++5Matlab5Objective-CiOS1Ruby
+2 more
ReactRFrom John's professional profile.
Podcasts & interviews
featuring John GedmarkYou Don’t Have To Be A Billionaire To Launch Satellites
Y Combinator
Colleagues at Commonweal Ventures
Alan Estevez
Senior Advisor at Commonweal Ventures
Alicia Barton
Advisor at Commonweal Ventures
Anthony Foxx
Advisor at Commonweal Ventures
Brenna Berman
Advisor at Commonweal Ventures
Carol Browner
Senior Advisor at Commonweal Ventures
Eddie Fishman
Advisor at Commonweal Ventures
Edward Davis
Advisor at Commonweal Ventures
Evan Smith
Advisor at Commonweal Ventures
Frequently asked questions
- Who is John Gedmark?
- John Gedmark is an aerospace engineer and the CEO and cofounder of Astranis, a company that builds and operates satellites for geostationary and other high orbits to provide communications infrastructure for enterprises, governments, and the US military. He previously cofounded and served as Executive Director of the Commercial Spaceflight Federation and was Director of Rocket Flight Operations at the X Prize Foundation. He earned a B.S. from Purdue University and an M.S. from Stanford University, both in Aerospace Engineering.
- Where does John Gedmark work?
- John Gedmark is Founder/CEO of Astranis and Zero to One Mentor at Commonweal Ventures and Co-founder at Astranis Space Technologies Corp..
- What does John Gedmark invest in?
- John Gedmark invests in Space Tech.
- What companies did John Gedmark found?
- John Gedmark founded Astranis, Astranis Space Technologies Corp..
- Where did John Gedmark go to school?
- John Gedmark studied at Stanford University (Master of Science, Aerospace Engineering); Purdue University (Bachelor of Science, Aerospace Engineering); Y Combinator.
- What podcasts and interviews feature John Gedmark?
- Tracked appearances include "You Don’t Have To Be A Billionaire To Launch Satellites".
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
Stanford University mafia1,934
Also came through, then founded or led a company.
Peter ThielB.A.Founded PayPalReid HoffmanB.S.Founded LinkedIn +2David SacksB.A.Founded YammerKeith RaboisB.A.Founded OpendoorGarry TanBSFounded Y Combinator +1Joe LonsdaleBSFounded Opto +5
+ 1,927 more
Purdue University mafia187
Also came through, then founded or led a company.
Gaurav SantBSCEFounded CarbonBuilt +2Vu LamMSEEFounded Katalon +2Aaron SistoBSFounded Searchable AI +1Ignacio MartinezAgribusiness Leadership PlusFounded Cibo Technologies +1Jack O'MearaBachelor’s DegreeFounded Aerska +1Patrick SigristMaster’s DegreeFounded IORQ +1
+ 180 more
Astranis mafia13
Also came through, then founded or led a company.
David BeyerInvestorFounded ChartioSerik KaldykulovSeed InvestorFounded ElefundRyan McLinkoFounder/CTOFounded Astranis Space Technologies Corp.Hall ChenRF Payload DesignFounded GridwareCameron FlanneryGuidance, Navigation, and Control InternFounded Navier AIJason KaufmannAvionics InternFounded Maritime Fusion
+ 6 more
Commonweal Ventures mafia4
Also came through, then founded or led a company.
Same school
Also attended Stanford University2,000
Peter ThielCo-founder & Partner at Founders FundDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia CapitalJim BreyerFounder & CEO of Breyer CapitalMike Maples JrCo-founding Partner at Floodgate
+ 1,994 more
Also attended Purdue University464
Mamoon HamidPartner at Kleiner PerkinsNabeel HyattInvestor helping founders and working on AI that enables human creativity and agencyKenneth Morand, Ph.D.Life Sciences Partner at CincyTechJane CommerfordOperations at 8VCSven StrohbandInvestor at Khosla VenturesJeff PetersPartner at Ibex Investors
+ 458 more
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Shared employers
Also worked at Astranis20
David BeyerPartner at Amplify PartnersAlex CreaseyPartner & Co-Founder at SnowpointMo El-BibanyGeneral Partner at Page One VenturesSerik KaldykulovFounder/Managing Partner at ElefundRayyan IslamCo-Founder and General Partner at 8090 IndustriesAmber YangInvestor at Bloomberg Beta
+ 14 more
Also worked at Commercial Spaceflight Federation5
Alexandra JohnsonHead of External Affairs at Industrious VenturesDylan TaylorGlobal business leader, commercial astronaut, and philanthropist active in the NewSpace sectorEsther DysonFounder of Wellville; chairman of EDventure HoldingsLisa RichManaging Partner at Hemisphere Ventures LLCTaber MacCallumExecutive Officer, Director, Promoter at World View Enterprises
Also worked at X Prize Foundation37
Dr. Michael NayakAdvisor at Industrious VenturesSergey YoungCo-Founder at BOLD LongevityPeter DiamandisPhysician, entrepreneur, and futurist inspiring leaders to think exponentially and create a future of abundanceAaron FykeFounder and Managing Partner at Thin Line CapitalRyan BethencourtManaging Partner at Sustainable Food VenturesDave BlundinManaging Partner at Link Ventures
+ 31 more