Where does Jon Grall work?

Jon Grall is Founder of SimplyListed.

What companies did Jon Grall found?

Jon Grall founded SimplyListed.

Where did Jon Grall go to school?

Jon Grall studied at Massachusetts Institute of Technology (Bachelor of Science, Computer Science); Y Combinator (Entrepreneurship/Entrepreneurial Studies); Eton College (Biology, Physics).

Jon Grall

Founder

Founder at SimplyListed

New York, New York, United States

FoundedSimplyListed · YC

About

Jon Grall has spent two decades in software development, including roles at Silicon Valley startups and Fortune 100 companies, with a background in application development and user-centered design.

Founder at SimplyListed YC W11

Intro paths

Jon went through Y Combinator (Winter 2011) — any YC alum in your network can reach them through the YC community.

→

In turn, Jon can intro founders to SimplyListed's investors below.

SimplyListed's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2011

Experience

The App DoctorPrincipal Consultantcurrent2025 — presentNew York, NY
Grall Photographic LLCCommercial Photographer2020 — 2024New York City Metropolitan Area
Little Details LLCFounder & CEO2012 — 2019San Francisco Bay Area
SimplyListedFounder & CEO2010 — 2011San Francisco Bay Area
Yammer, Inc.Sr. Manager of Product Marketing2010San Francisco Bay Area
DropboxProduct Lead2009San Francisco Bay Area
Electronic ArtsAssociate Producer2005 — 2008Greater Los Angeles Area
MITDeveloper2004 — 2005Cambridge, MA
Microsoft XboxProgram Manager Intern2004Redmond, WA
Ziff Davis MediaWeb Application Developer2003 — 2004Greater Boston Area

Skills & more

Analytical SkillsLeadershipTeam ManagementUX ResearchUser ResearchConsultancy ServicesUser Experience TestingE-CommerceProduct StrategyComputer ScienceOffroad Driving & Vehicle RecoveryWilderness First Responder

+12 more

Technology LeadershipVideo GamesUser ExperienceStart-upsiOS developmentWeb ApplicationsWeb DevelopmentUser Interface DesignMobile ApplicationsGame DesignGame DevelopmentiOS Development

Languages English · French

NN/g UX Certified w/ Specialty in UX Research — Nielsen Norman Group

From Jon's professional profile.

Frequently asked questions

Who is Jon Grall?: Jon Grall has spent two decades in software development, including roles at Silicon Valley startups and Fortune 100 companies, with a background in application development and user-centered design.
Where does Jon Grall work?: Jon Grall is Founder of SimplyListed.
What companies did Jon Grall found?: Jon Grall founded SimplyListed.
Where did Jon Grall go to school?: Jon Grall studied at Massachusetts Institute of Technology (Bachelor of Science, Computer Science); Y Combinator (Entrepreneurship/Entrepreneurial Studies); Eton College (Biology, Physics).

Founder mafias

Y Combinator mafia8,773

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3 Jessica LivingstonCo-founderFounded Y Combinator Alexis OhanianYC Summer 2005Founded Reddit Fred EhrsamYC Summer 2012Founded Nudge +1 Matt HuangYC Winter 2011Founded Hotspots Trae StephensYC Winter 2022Founded Pursuit +1

+ 8,766 more

Y Combinator mafia4,716

Also came through, then founded or led a company.

Ryan SheaEntrepreneurshipFounded Stacks Tarek MansourFounded Kalshi Suhail DoshiEating beans & riceFounded Playground +1 Subomi OluwalanaW22Founded Convoy Darius "Bubs" MonsefS19Founded Sightbox +3 Matthew ScholzFounded Oisin Biotechnologies +3

+ 4,709 more

Massachusetts Institute of Technology mafia546

Also came through, then founded or led a company.

Elad GilPhDFounded Brain Co.Nat FriedmanBachelor of ScienceFounded Xamarin Matt HuangB.S.Founded Hotspots Delian AsparouhovDropoutFounded Nightingale +1 Drew HoustonBSFounded Dropbox +1 Arash FerdowsiComputer ScienceFounded Dropbox

+ 539 more

Dropbox mafia59

Also came through, then founded or led a company.

Drew HoustonCo-founder & CEOFounded Accolade Kanjun QiuProduct ManagerFounded Kanjun +2 Gautam JayaramanEngineerFounded Onsite Pro +2 Ivan KiriginProduct ManagerFounded YesGraph +1 Sam OdioSenior Director of Product ManagementFounded Divvyshot +1 Sheridan ClayborneMachine Learning Product ManagerFounded Lendtable +1

+ 52 more

Electronic Arts mafia24

Also came through, then founded or led a company.

Amitt MahajanSoftware Engineer InternFounded Rare Bits +1 Lars ButtlerVice PresidentFounded Aifoundation +1 Curtis FongerSoftware Development InternFounded Appetas +1 Gustav RydstedtSoftware EngineerFounded Verbling SC MoattiProducer, Mobile & Casual GamesFounded Products That Count Alfred LamSoftware QA Tester - FIFA 2003Founded Mangrove Lithium

+ 17 more

Same school

Also attended Massachusetts Institute of Technology1,387

Fred WilsonCo-founder & Partner at Union Square Ventures Elad GilSolo general partner investing through Gil Capital Aileen LeeFounder & Managing Partner of Cowboy Ventures Hemant TanejaCEO & Managing Director of General Catalyst Nat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDG Brad FeldCo-founder of Foundry and Techstars

+ 1,381 more

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of Kalshi Suhail DoshiFounder of Mixpanel; founder of Particle Subomi OluwalanaCo-founder & CEO of Convoy Maroof AhmedFounder at Octopus Ventures Justin SwartPartner at Bitkraft Esports Ventures Collin WallaceGeneral Partner at Lobby Capital

+ 1,994 more

Also attended Eton College44

Chris BischoffInvestment Team at General Catalyst Coen ArmstrongInvestor at Spark Capital Thomas MaranoAssociate, US at RTP Global Devin KohliCo-Founder and General Partner at Outward VC Charles SpicerNon-Executive Chair at EMV Capital Alexander RossGeneral Partner & Head of New York at Illuminate Financial

+ 38 more

Also attended NOLS26

Chris SaxmanDigital health entrepreneur, startup mentor, skier, fly fisherman, Steelers fanatic, Co-head of Health 2.0 Denver/Boulder Chapter Luis SpradleyPrincipal at Level Equity Maddy DwyerSenior Associate, Business Development at Cross Creek Advisors Alfred JohnsonCEO Partner at Ardent Venture Jonathan KarlsonSenior Associate - US Team at Founders Future Michael LangerBoard Member at MassChallenge Mexico

+ 20 more

Shared employers

Also worked at Dropbox137

Danny RimerPartner at Index Ventures Drew HoustonCo-founder & CEO of Dropbox Arash FerdowsiCo-founder of Dropbox Quentin ClarkInvestment Team at General Catalyst Ana AndreescuInvestor at Index Ventures Mark GoldbergInvestor at Index Ventures

+ 131 more

Also worked at Electronic Arts94

David SzeAdvisory Partner at Greylock Tiffany SpencerHead of Marketing at Menlo Ventures Rajat TanejaInvestor at Foundation Capital Robert TomkinsonSelf at Mucker Capital Gustav RydstedtAdvisor, Infrastructure Software at Verissimo Ventures Shanti BergelManaging Director at TRANSCEND

+ 88 more

Also worked at MIT479

Aileen LeeFounder & Managing Partner of Cowboy Ventures Matt HuangCo-founder and Managing Partner at Paradigm Michael TruellCo-founder & CEO of Cursor Raquel UrtasunFounder & CEO of Waabi Colin WebbFounder & CEO of Avatar Robotics Adam BryCo-founder & CEO of Skydio

+ 473 more

Also worked at Microsoft Xbox1,188

Reid HoffmanCo-founder of LinkedIn; Partner at Greylock Garry TanPresident & CEO of Y Combinator Nat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDG Kai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AI Bill GatesCo-founder of Microsoft; Chair of the Gates Foundation Mike KriegerCo-founder of Instagram; Chief Product Officer at Anthropic

+ 1,182 more

About

Founder at SimplyListedYC W11

Intro paths

SimplyListed's investors · 1

Experience

Skills & more

Frequently asked questions

Founder mafias

Y Combinator mafia8,773

Y Combinator mafia4,716

Massachusetts Institute of Technology mafia546

Dropbox mafia59

Electronic Arts mafia24

Same school

Also attended Massachusetts Institute of Technology1,387

Also attended Y Combinator2,000

Also attended Eton College44

Also attended NOLS26

Shared employers

Also worked at Dropbox137

Also worked at Electronic Arts94

Also worked at MIT479

Also worked at Microsoft Xbox1,188

Founder at SimplyListed YC W11