Sam Blackman
InvestorEntrepreneur in Residence at GV (Google Ventures)
Seattle, Washington, United States
Find your path to Sam
505 people in our graph share verified history with Sam — schools, employers, funds. One of them is your warm intro.
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 — present
- Day One BiopharmaceuticalsFounder and Strategic Advisorcurrent2025 — presentBrisbane, California, United States
- Day One BiopharmaceuticalsFounder and Head of Research and Development2023 — 2025South San Francisco, California, United States
- Day One BiopharmaceuticalsFounder and Chief Medical Officer2018 — 2023South San
- Pediatric Brain Tumor FoundationBoard Membercurrent2025 — present
- Bonum TherapeuticsBoard Membercurrent2024 — presentSeattle, Washington, United States
- CureSearch for Children's CancerBoard Membercurrent2022 — present
- Presage Biosciences, Inc.Board Membercurrent2018 — presentGreater Seattle Area
- Litmus HealthAdvisory Board Membercurrent2016 — present
- NotableScientific Advisor2019 — 2024San Francisco, California, United States
- Mavupharma, Inc.Head of Clinical Development2018 — 2019Greater Seattle Area
- Silverback TherapeuticsSenior Vice President, Head of Clinical Development2016 — 2018Seattle, WA
- Juno TherapeuticsSenior Medical Director2014 — 2016Seattle, WA
- Seattle GeneticsExecutive Director, Head of Translational Medicine2012 — 2014Bothell, WA
- GlaxoSmithKlineDirector, Oncology Early Clinical Development2010 — 2012Collegeville, PA
- MerckAssociate Director - Experimental Medicine2008 — 2010
- The Childrens Hospital of PhiladelphiaStaff Physician2008 — 2010
- Consumers Medical ResourcePhysician Consultant2007 — 2009
- Dana-Farber Cancer InstituteAttending Physician in Pediatric Oncology2008
- Children's Hospital BostonFellow in Pediatric Oncology2004 — 2006
- American Medical AssociationResident/Fellow Representative - Council on Scientific Affairs2003 — 2006
- Cincinnati Children's Hospital Medical CenterResident in Pediatrics2001 — 2004
Skills & more
Languages English · Latin
- American Board of Pediatrics — 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)
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).
Founder mafias
University of Chicago mafia216
Also came through, then founded or led a company.
University of Illinois Chicago mafia58
Also came through, then founded or led a company.
University of Illinois College of Medicine mafia9
Also came through, then founded or led a company.
GV (Google Ventures) mafia6
Also came through, then founded or led a company.
Juno Therapeutics mafia4
Also came through, then founded or led a company.
Same school
Also attended University of Illinois College of Medicine16
+ 10 more
Also attended University of Illinois Chicago120
+ 114 more
Also attended University of Chicago615
+ 609 more
Shared employers
Also worked at Litmus Health1
Also worked at GlaxoSmithKline278
+ 272 more
Also worked at Merck262
+ 256 more
Also worked at Dana-Farber Cancer Institute75
+ 69 more













































































