Sam Blackman
InvestorEntrepreneur in Residence at GV (Google Ventures)
Seattle, Washington, United States
About
Dr. Samuel Blackman is a physician-scientist, pediatric neuro-oncologist, and cancer drug developer who joined GV in 2025 as a life sciences entrepreneur in residence. He co-founded Day One Biopharmaceuticals in 2018 and previously held senior oncology drug development roles at companies including Merck, GlaxoSmithKline, Seattle Genetics, and Juno Therapeutics.
Invests in
BiotechDigital HealthMedical Devices
Experience
- GV (Google Ventures)Entrepreneur in Residencecurrent2025 β present
- Day One BiopharmaceuticalsFounder and Strategic Advisorcurrent2025 β presentBrisbane, California, United States
- Day One BiopharmaceuticalsFounder and Head of Research and Development2023 β 2025South San Francisco, California, United States
- Day One BiopharmaceuticalsFounder and Chief Medical Officer2018 β 2023South San
- Pediatric Brain Tumor FoundationBoard Membercurrent2025 β present
- Bonum TherapeuticsBoard Membercurrent2024 β presentSeattle, Washington, United States
- CureSearch for Children's CancerBoard Membercurrent2022 β present
- Presage Biosciences, Inc.Board Membercurrent2018 β presentGreater Seattle Area
- Litmus HealthAdvisory Board Membercurrent2016 β present
- NotableScientific Advisor2019 β 2024San Francisco, California, United States
- Mavupharma, Inc.Head of Clinical Development2018 β 2019Greater Seattle Area
- Silverback TherapeuticsSenior Vice President, Head of Clinical Development2016 β 2018Seattle, WA
- Juno TherapeuticsSenior Medical Director2014 β 2016Seattle, WA
- Seattle GeneticsExecutive Director, Head of Translational Medicine2012 β 2014Bothell, WA
- GlaxoSmithKlineDirector, Oncology Early Clinical Development2010 β 2012Collegeville, PA
- MerckAssociate Director - Experimental Medicine2008 β 2010
- The Childrens Hospital of PhiladelphiaStaff Physician2008 β 2010
- Consumers Medical ResourcePhysician Consultant2007 β 2009
- Dana-Farber Cancer InstituteAttending Physician in Pediatric Oncology2008
- Children's Hospital BostonFellow in Pediatric Oncology2004 β 2006
Education
- University of Illinois College of MedicineMD, Medicine1993 β 2001
- University of Illinois ChicagoPhD, Pharmacology1993 β 2001
- University of ChicagoBA, Philosophy1986 β 1990
Skills & more
IND4Oncology99Clinical Research33Clinical Trials77Translational Research19Molecular Biology21Medical Writing13Cell Biology15Pharmacology15Medical Education3Drug Development51Informatics
+12 more
Clinical DevelopmentCancerLifesciencesMedicineHealthcareBiotechnologyPharmaceutical IndustryInfectious DiseasesHospitalsBiomarkersTranslational MedicineClinical PharmacologyLanguages English Β· Latin Β· Russian
- American Board of Pediatrics β American Board of Pediatrics (ABP)
From Sam's professional profile.
Same school
Also attended University of Illinois College of Medicine3
Also attended University of Illinois Chicago36
Kate WilschutzChief Financial Officer, Revolution Funds at RevolutionSteve ShafferOperating Partner at Volition CapitalAnshul SadanaCEO, Nexthop AI at EMERGENT VENTURESStefano GaliassoVice President at Energy Capital VenturesBoris GyllhamnInvestor at Almi InvestErtharin CousinFounder and CEO, Food Systems for the Future at SUPPLY CHANGE CAPITAL
+ 30 more
Also attended University of Chicago242
Mark SusterManaging Partner at Upfront VenturesShardul ShahInvestor at Index VenturesClay FisherInvestor at Spark CapitalJonas CiplickasPrincipal at Scale Venture PartnersJulia Gonzalez SandersPartner and General Counsel at Crosslink CapitalGΓΌimar Vaca SitticVenture Partner at FJ Labs
+ 236 more
Shared employers
Also worked at GlaxoSmithKline101
Victoria TaylorInvestor at MedicxiErin MooreInvestor at Third Rock VenturesJeb KeiperInvestor at Third Rock VenturesJane SuhPrincipal at AlleyCorpCarol SuhPartner at ARCH Venture PartnersRudina SeseriFounder and Managing Partner at Glasswing Ventures
+ 95 more
Also worked at Merck90
Anika GuptaInvestor at GV (Google Ventures)Catherine Pearce, DHSc, MBAAdvisor at CincyTechDavid MollerInvestor at Third Rock VenturesAndrea van ElsasInvestor at Third Rock VenturesDavid KaufmanInvestor at Third Rock VenturesUri LopatinInvestor at Khosla Ventures
+ 84 more
Also worked at Dana-Farber Cancer Institute26
Dave BarrettSenior Advisory Partner at Polaris PartnersWeihan LiuAssociate at Cure VenturesRosie BellDirector of Marketing at LRVHealthTaruho KurodaImpact Partner at Fresco CapitalVincent MilesExecutive Director at AbingworthBeccaInvestor at Sanofi Ventures
+ 20 more
Also worked at Children's Hospital Boston30
Molly RobertsonOperations Associate at Founder CollectiveNasra MohamedInvestor at Third Rock VenturesMarin LangSenior Associate at .406 VenturesJane SuhPrincipal at AlleyCorpJohn BrownsteinSenior Vice President and Chief Innovation Officer at Flare Capital PartnersBrian ButlerPartner at Questa Capital
+ 24 more
Investments
Board seats
Bonum TherapeuticsPheon TherapeuticsPresage BiosciencesS1 Oncology
Per the firm's website.
Colleagues at GV (Google Ventures)
Abe Rahey
Investor at GV (Google Ventures)
Abhishek Jain
Investor at GV (Google Ventures)
Andrew Patton
Advisor at GV (Google Ventures)
Andrew Wheeler
General Partner at GV (Google Ventures)
Anika Gupta
Investor at GV (Google Ventures)
Anika Gupta Vatsa
Principal at GV (Google Ventures)
Anthony Philippakis
Investor at GV (Google Ventures)
Ben Robbins
Investor at GV (Google Ventures)










































