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About
Emily Weiss holds a PhD in microbiology, genomics, and plant genetics with expertise in sequencing, screening, and computational analysis. She previously worked at Illumina and DuPont and has published research in Nature Microbiology and eLife; at Ditto Biosciences, she leads platform development for parasite-derived therapeutic engineering.
Founder at Ditto BiosciencesYC W26
Intro paths
YC
Emily 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 Ankit Gupta, General Partner at Y Combinator — the partner who ran Ditto Biosciences's batch and knows the company first-hand. YC profile ↗
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In turn, Emily can intro founders to Ditto Biosciences's investors below.
Ditto Biosciences's investors · 11
Alumni VenturesManchester · $100K – $10M checksBO LE VENTURESGlen HeadEight CapitalNorwalkFlex Capital PartnersSan Francisco · $500K – $2M checksLevel2 VenturesAmsterdam · $200K – $5.4M checksOurCrowdJerusalemPhoenix FundNew YorkPioneerToronto, OntarioResidualSuperorganismNew YorkY CombinatorSan Francisco · $500K checks · since 2026
Co-founders at Ditto Biosciences
DS
Dennis SunFounder
AB
Adair BorgesFounder
Experience
- Ditto Bio (YC W26)Cofoundercurrent2025 — present
- Arcadia ScienceScientist2022 — 2025
- UC San DiegoPostdoctoral Scientist2021 — 2022
- UC San DiegoResearcher/PhD Candidate2015 — 2021San Diego, California
- UC San DiegoTeaching Assistant2016 — 2019San Diego, California
- IlluminaIntern in Genomic Applications2019San Diego, CA
- DuPontResearch Assistant2013 — 2015Wilmington, Delaware
- The University of GeorgiaGraduate Research Assistant2010 — 2012Athens, Georgia
- The University of GeorgiaUndergraduate Researcher2008 — 2010Athens, Georgia
Skills & more
Amazon Web Services (AWS)1Python (Programming Language)1GitHubSnakemakeUnixRComputational Biology1GenomicsData Analysis3Molecular Biology4Sequence Analysis2Biotechnology1
+8 more
Microbial EcologyBioinformaticsDNA SequencingRNAseqNanopore SequencingWestern BlottingNorthern BlottingRandom barcode transposon-site sequencing- Applied Machine Learning — Uplimit
From Emily's professional profile.
Frequently asked questions
- Who is Emily Weiss?
- Emily Weiss holds a PhD in microbiology, genomics, and plant genetics with expertise in sequencing, screening, and computational analysis. She previously worked at Illumina and DuPont and has published research in Nature Microbiology and eLife; at Ditto Biosciences, she leads platform development for parasite-derived therapeutic engineering.
- Where does Emily Weiss work?
- Emily Weiss is Founder of Ditto Biosciences.
- What companies did Emily Weiss found?
- Emily Weiss founded Ditto Biosciences.
- Where did Emily Weiss go to school?
- Emily Weiss studied at Y Combinator; UC San Diego (Doctor of Philosophy - PhD, Microbiology and Molecular Biology); University of California, San Diego - Rady School of Management (microMBA, Business Administration and Management).
Founder mafias
Y Combinator mafia10,603
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident and CEOFounded Posterous +2Jessica LivingstonFounder, RetiredFounded Y CombinatorAlexis OhanianPartnerFounded The Offseason +2Fred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2015Founded Avarra Enterprise Avatar and AI-simulation +3
UC San Diego mafia309
Also came through, then founded or led a company.
Elad GilBAFounded Brain Co. +1Chester NgBSFounded DivXPhillip SamayoaPhDFounded Generation Bio +2Mehul ShahBachelor of Science (BS)Founded GroundControl +2Wendy JohanssonCognitive ScienceFounded Misaludhealth +2Swamy VijayanDiploma - Executive Perspectives for Scientists and EngineersFounded Omniome +2
The University of Georgia mafia58
Also came through, then founded or led a company.
University of California, San Diego - Rady School of Management mafia15
Also came through, then founded or led a company.
Will AlaynickGlobal Business Series: Destination ChinaFounded NanoCellect Biomedical +1Trang NguyenMBAFounded TransposeplatformEduardo CabreraLean Start-upFounded Smart Border SystemsDennis KimMBAFounded Xeno BiosciencesJared LeitnerMicroMBAFounded CIPRA.aiIan VillaElevate Leader Series | The Strategic LeaderFounded Whisper Aero
Same school
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
Also attended UC San Diego622
Elad GilSolo general partner investing through Gil CapitalMark SusterManaging Partner at Upfront VenturesChester NgGeneral Partner at AtomicBirgitteInvestor at InvestinorHouman HaghighiPartner, Business & Corporate Development at Menlo VenturesFreya Svedberg-KeatingInvestor at Medicxi
+ 616 more
Also attended University of California, San Diego - Rady School of Management35
Niall O'DonnellManaging Director at RiverVest Venture PartnersTakaaki TobaruPartner at Remiges Ventures, Inc.Jonathan BurbaumEntrepreneur-In-Residence at The Innovation SpaceJosh StilingPrincipal, Investment at Anzu PartnersRaj KapanyInvestor at Sand Hill AngelsDenise LongleyManaging Partner and Co-Founder at Longley Capital
+ 29 more
Also attended The University of Georgia164
Ansley ErdelSenior Policy Advisor, Revolution Growth at RevolutionCaitlin TidwellInvestor Relations Assistant at Fulcrum Equity PartnersNick FutrellSenior Associate at Northpond VenturesPaul BelkEntrepreneur in Residence at Kinetic Ventures, L.L.C.Vikrant VaidAssociate at SeedToBTodd PermanCEO & GP at Seed Healthcare
+ 158 more
Shared employers
Also worked at Ditto Bio (YC W26)2
Also worked at Arcadia Science10
Saran DaviesInvestor at Moonfire VenturesJaye GoldsteinExecutive in Residence at EngineRebecca (Becky) PferdehirtPartner at Andreessen HorowitzNish BhatCo-Founder and General Partner at Carbon SiliconRahul RanaAngelSeemay ChouCo-Founder & President – Foundation at Astera Institute
+ 4 more
Also worked at UC San Diego167
Keerthi NalabotuInvestor at True VenturesVignesh RavikumarInvestor at Sierra VenturesAnne GheriniChief Marketing Officer at Sierra VenturesRachel Tsunemoto Hislop, PhDPrincipal, Director of Research at Two Bear CapitalMaia HightowerInvestor at EPIC VENTURESXuhui ShaoPartner at Foothill Ventures
+ 161 more
Also worked at Illumina66
Shan YangVice President at Joyance PartnersBrad CrutchfieldExecutives in Residence at GENERAL INCEPTIONSue SiegelObvious Champion at Obvious VenturesJulien HédouEntrepreneur in Residence at Boutique Venture PartnersAnkur DhingraInvestor at Sand Hill AngelsEric BlackmonVenture Partner at BAG Ventures
+ 60 more