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
- American Medical AssociationResident/Fellow Representative - Council on Scientific Affairs2003 β 2006
- Cincinnati Children's Hospital Medical CenterResident in Pediatrics2001 β 2004
- University of Illinois at Chicago College of MedicineMD/PhD Student1993 β 2001
- University of ChicagoResearch Assistant1990 β 1993
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.
Investments
Board seats
Bonum TherapeuticsPheon TherapeuticsPresage BiosciencesS1 Oncology
Per the firm's website.
Colleagues 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)
Braden Kowitz
Investor at GV (Google Ventures)
Bradley Horowitz
Investor at Wisdom Ventures
Brendan Bulik-Sullivan
Investor at GV (Google Ventures)
Frequently asked questions
- Who is Sam Blackman?
- 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.
- Where does Sam Blackman work?
- Sam Blackman is Entrepreneur in Residence at GV (Google Ventures).
- What does Sam Blackman invest in?
- Sam Blackman invests in Biotech, Digital Health, Medical Devices.
- What boards does Sam Blackman sit on?
- Sam Blackman holds tracked board seats at Bonum Therapeutics, Pheon Therapeutics, Presage Biosciences, S1 Oncology.
- Where did Sam Blackman go to school?
- Sam Blackman studied at University of Illinois College of Medicine (MD, Medicine); University of Illinois Chicago (PhD, Pharmacology); University of Chicago (BA, Philosophy).
Same school
Also attended University of Illinois College of Medicine4
Also attended University of Illinois Chicago45
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+ 39 more
Also attended University of Chicago349
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
+ 343 more
Shared employers
Also worked at Litmus Health1
Also worked at GlaxoSmithKline116
Victoria TaylorInvestor at MedicxiErin MooreInvestor at Third Rock VenturesJeb KeiperInvestor at Third Rock VenturesJane SuhPrincipal on the AlleyCorp Healthcare teamCarol SuhPartner at ARCH Venture PartnersRudina SeseriFounder and Managing Partner at Glasswing Ventures
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Also worked at Merck106
Anika GuptaInvestor at GV (Google Ventures)Catherine Pearce, DHSc, MBAAdvisor at CincyTechDavid MollerInvestor at Third Rock VenturesAlan EzekowitzInvestor at Third Rock VenturesAndrea van ElsasInvestor at Third Rock VenturesDavid KaufmanInvestor at Third Rock Ventures
+ 100 more
Also worked at Dana-Farber Cancer Institute33
Dave BarrettSenior Advisory Partner at Polaris PartnersMargaux FosterAnalyst at redalpineWeihan LiuAssociate at Cure VenturesShereef ElnahalObvious Champion at Obvious VenturesRosie BellDirector of Marketing at LRVHealthTaruho KurodaImpact Partner at Fresco Capital
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