About
Jennifer Song is a co-founder of Photonium with background in quantum computing research at Harvard, Stanford, and QuEra.
Founder at PhotoniumYC X25
Intro paths
YC
Jennifer went through Y Combinator (Spring 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Photonium's batch and knows the company first-hand. YC profile ↗
→
In turn, Jennifer can intro founders to Photonium's investors below.
Photonium's investors · 3
Co-founders at Photonium
AM
Adam MhatreFounder
PJ
Philip JohnstonFounder, CEO
Experience
- PhotoniumCo-Founder & CEOcurrent2025 — present
- Bay Area Founders ClubHarvard Chapter Leadcurrent2025 — present
- Stanford Physics, Choi GroupStudent Researcher2025
- Katmai ComputingCOO2024 — 2025
- Harvard Physics DepartmentCourse Assistant: PHY 16 (Mechanics & Special Relativity)2023 — 2024
- Harvard Physics DepartmentCourse Assistant & Artificial Intelligence Team: PHY 143A (Quantum Mechanics I)2024
- QuEra Computing Inc.Intern, Quantum Controls2024
- The D. E. Shaw GroupDiscovery Fellow, 20242024
- Harvard College Consulting GroupAnalyst2023 — 2024
- Harvard Physics, Yao GroupStudent Researcher2022 — 2024
- CitadelWomen’s Datathon Invitational, 2nd Place2024
- National Science Foundation (NSF)REU Summer Researcher2023
- Harvard College Research ProgramSummer Researcher2023
- ASGSR American Society for Gravitational and Space ResearchResearch Team Lead & Co-Author2020 — 2022
- Intrinsyx BioBusiness Strategy Intern2021
- The Summer Science ProgramAstrophysics Research Intern2021
Frequently asked questions
- Who is Jennifer Song?
- Jennifer Song is a co-founder of Photonium with background in quantum computing research at Harvard, Stanford, and QuEra.
- Where does Jennifer Song work?
- Jennifer Song is Founder of Photonium.
- What companies did Jennifer Song found?
- Jennifer Song founded Photonium.
- Where did Jennifer Song go to school?
- Jennifer Song studied at Harvard University; Valley Christian High School; Y Combinator.
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
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
+ 8,766 more
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
National Science Foundation mafia15
Also came through, then founded or led a company.
Aaron SistoGraduate FellowshipFounded Searchable AI +1Thomas MargeWind Power Systems ConsultantFounded Rewbi +1Adam TiltonI-Corps Entrepreneurial LeadFounded Rithmio +1Vic SinghFellowFounded OriginalisLandon YoungGraduate Research FellowFounded Donate EquityWilliam SchneidermanIndustry Mentor for National I-CorpsFounded AI Squared
+ 8 more
QuEra Computing mafia2
Also came through, then founded or led a company.
Same school
Also attended Harvard University1,558
Alfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalGBill GatesCo-founder of Microsoft; Chair of the Gates Foundation
+ 1,552 more
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
Shared employers
Also worked at Photonium2
Also worked at Harvard Physics Department293
Nathan BlecharczykCo-founder & CSO of AirbnbRyan SheaCo-founder of Blockstack (Stacks)Rachel HansenInvestor at Index VenturesDave MunichielloInvestor at GV (Google Ventures)Logan HilleLife Sciences Analyst at CincyTechWalter KowtoniukInvestor at Third Rock Ventures
+ 287 more
Also worked at Citadel72
Tarek MansourCo-founder & CEO of KalshiRobert CulpPrincipal at Marlin Equity PartnersDavid SnydermanManaging Partner and Global Head of Alternative Credit and Fixed Income at Magnetar AI VenturesFran AmicoExecutive Assistant at CAVU Consumer PartnersEvan FengPartner at CoinFundJohn GuCo-Founder and CEO at Caladan
+ 66 more