About
Selina Li is cofounder and CEO of Bubble Lab, and previously cofounded gymii.ai. She holds a bachelor's degree from UPenn (class of 2023) and a master's in engineering from Cornell Tech (2025).
Founder at Bubble LabYC W26
Intro paths
YC
Selina went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Diana Hu, General Partner at Y Combinator — the partner who ran Bubble Lab's batch and knows the company first-hand. YC profile ↗
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In turn, Selina can intro founders to Bubble Lab's investors below.
Bubble Lab's investors · 1
Co-founders at Bubble Lab
ZZ
Zach ZhongFounder/CTO
Experience
- Bubble Lab (YC W26)Co-Founder and CEOcurrent2025 — presentSan Francisco Bay Area
- gymii.aiCo-Founder and CEOcurrent2024 — present
- J.P. Morgan Asset ManagementQuantitative Researcher2023 — 2024New York, United States
- J.P. Morgan Asset ManagementQuantitative Research Intern2022United States
- Pollock Asset ManagementInvestment Analyst2021Hong Kong SAR
- Magnifi Holding LimitedCo-Founder2020Hong Kong SAR
- E Fund Management (HK) Co., LtdFixed Income Analyst2020Hong Kong, Hong Kong SAR
Skills & more
Languages Cantonese · Chinese · English · Spanish
From Selina's professional profile.
Frequently asked questions
- Who is Selina Li?
- Selina Li is cofounder and CEO of Bubble Lab, and previously cofounded gymii.ai. She holds a bachelor's degree from UPenn (class of 2023) and a master's in engineering from Cornell Tech (2025).
- Where does Selina Li work?
- Selina Li is Founder of Bubble Lab.
- What companies did Selina Li found?
- Selina Li founded Bubble Lab.
- Where did Selina Li go to school?
- Selina Li studied at Y Combinator; Cornell Tech (Master of Engineering - MEng, Computer Science); University of Pennsylvania (Bachelor's degree, Economics).
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
University of Pennsylvania mafia201
Also came through, then founded or led a company.
Kunal BahlSystems EngineeringFounded SnapdealScott Wolf, MDBAFounded Cardiac Dimensions +3Ben LererBSFounded Thrillist +1Eric HeilBSEFounded Ladderbio +1Trevor PriceB.A.Founded Quilted Health +1Lyle BerkowitzBSEFounded Apollo Health +1
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+ 194 more
Cornell Tech mafia12
Also came through, then founded or led a company.
Anirvan BordoloiFounded HevodataKiyan RajabiMaster of Science - MSFounded ReverCareChristophe RimannMaster of Engineering - MEngFounded CamberMike WangMaster of Engineering - MEngFounded AvinaRishabh JainMaster's degreeFounded LatentZachary GittelmanMS Applied Information Science (Technion) & MS Information Systems (Cornell)Founded Mango Health
+ 5 more
Hong Kong International School mafia5
Also came through, then founded or led a company.
Same school
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
Also attended Cornell Tech18
Arjun HegdeAssociate at Moneta VenturesLourenço BelleauAssociate at ConvergeAnirvan BordoloiFund Manager at Big Red VenturesUmer FaizanFund Manager at Big Red VenturesRishabh SurendranResearch at Rock HealthBerend van NieuwlandAI Developer at Endeit Capital
+ 12 more
Also attended University of Pennsylvania824
Brian ActonCo-founder of WhatsApp; co-founder of Signal FoundationKunal BahlCo-founder of Snapdeal; co-founder of Titan CapitalDasha MaggioPartner at Felicis Ventures, writer on venture capital and founder psychologyNancy WangInvestor at Felicis VenturesLeah von SiemensPartner at Manta Ray VenturesEghosa OmoiguiFounder and Managing General Partner at EchoVC Partners
+ 818 more
Also attended Hong Kong International School15
Jess LeePartner and Chief Product Officer at Sequoia CapitalAlan ChanManaging Partner at Vectr VenturesChris VoigtProfessor, MIT & Founding Pillar at Pillar VCRob GoCo-founder and Partner at NextView VenturesChristopher O'DoreSenior Associate at Advance Venture PartnersDanny SursockPartner at Archetype
+ 9 more
Shared employers
Also worked at Bubble Lab (YC W26)1
Also worked at gymii.ai1
Also worked at J.P. Morgan Asset Management22
Ralph DeBernardoPartner, Investor Relations at Sapphire VenturesMaxim OwenPartner at Wavemaker Three-Sixty HealthAndrea ChangPartner at NGC VenturesAdrian StewartOperating Partner at Stack AssetLuciana GerminarioPartner, Chief Operating Officer, Member of Executive Committee at Helios Digital VenturesJonathan SilberInvestor at Maccabee Ventures
+ 16 more