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Jeffrey Chang

Founder

Co-founder at Rad AI · Founder/CTO at Doblet

San Francisco, California

Writes $5K – $50K checks · typically $25K

FoundedDoblet · YCRad AI

Find your path to Jeffrey

10,373 people in our graph share verified history with Jeffrey — schools, employers, funds. One of them is your warm intro.

Bret MaxwellunlockedJeffrey: together at MK Capital (2011)
×2Jeffrey: together at MK Capital
×3Jeffrey: together at Rad AI
×4Jeffrey: together at YC S14

About

Jeffrey Chang is co-founder and president of Rad AI, focusing on generative AI applications in healthcare workflows. He holds an MBA from UCLA Anderson and studied machine learning at the University of Edinburgh, and previously co-founded Doblet (YC S14). Chang completed medical school and radiological training at an unusually early age.

Co-founder at Rad AI

Intro paths

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In turn, Jeffrey can intro founders to Rad AI's investors below.

Rad AI's investors · 16

Alpha PartnersNew York · $3M – $10M checksArray Ventures Management LlcSan Francisco · $1.5M checksArtis VenturesSan Francisco · $50K – $25M checksCity LightNew York · $1M – $6M checksCorewell Health VenturesGrand RapidsFifty YearsSan Francisco · $250K – $2M checksGMO VenturePartnersTokyoGradient VenturesSan Francisco · $100K – $10M checksHarmonix FundLa QuintaHike VenturesSan Francisco · $1M – $5M checksKhosla VenturesMenlo Park · $5K – $50M checksKickstartSalt Lake City · $250K – $3M checks · since 2020OCV PartnersLos AngelesPROOFArlingtonTRANSFORMATION CAPITALBoston · since 2025World Innovation LabPalo Alto

Co-founders at Rad AI

DGDoktor Gurson
Doktor GursonCo-founder

Founder/CTO at DobletYC S14

Intro paths

YC

Jeffrey went through Y Combinator (Summer 2014) — any YC alum in your network can reach them through the YC community.

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In turn, Jeffrey can intro founders to Doblet's investors below.

Doblet's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2014

Co-founders at Doblet

DGDoktor Gurson
Doktor GursonFounder/CEO

Experience

  1. Rad AICo-founder & Presidentcurrent2018 — presentSan Francisco Bay Area
  2. Greensboro RadiologyER Radiologist2010 — 2022Greensboro, NC
  3. DobletCo-founder & CTO2014 — 2017San Francisco, CA
  4. Variety of startups (Seed - Series C)Investor and Advisor2013 — 2016
  5. Manhattan Pacific PartnersAssociate - Private Equity2011 — 2012Manhattan Beach, CA
  6. MK CapitalIntern - Venture Capital, Digital Media2011Santa Monica, CA
  7. RadNet, Inc.Musculoskeletal Radiology Fellow2009 — 2010Los Angeles, CA
  8. Hartford HospitalRadiology Resident2005 — 2009Hartford, CT
  9. Baylor College of MedicineIntern - Preliminary Medicine2004 — 2005Houston, TX

Skills & more

Microsoft Excel4JavaScript8PACS2Ruby on Rails8Python1jQuery2HTML 53CSS33Medicine43Data Analysis4Healthcare24Project Management14
+12 moreEntrepreneurshipBusiness DevelopmentClinical ResearchHealthcare Information TechnologyCompetitive AnalysisBudgetsBusiness StrategyProgram ManagementMarketing StrategyProduct DevelopmentSocial Game DevelopmentBusiness Planning

Languages Chinese · English · Spanish

  • Deep Learning Specialization — Coursera

From Jeffrey's professional profile.

Frequently asked questions

Who is Jeffrey Chang?
Jeffrey Chang is co-founder and president of Rad AI, focusing on generative AI applications in healthcare workflows. He holds an MBA from UCLA Anderson and studied machine learning at the University of Edinburgh, and previously co-founded Doblet (YC S14). Chang completed medical school and radiological training at an unusually early age.
Where does Jeffrey Chang work?
Jeffrey Chang is Founder/CTO of Doblet and Co-founder at Rad AI.
What check size does Jeffrey Chang write?
Jeffrey Chang typically writes checks of $5K – $50K.
What companies did Jeffrey Chang found?
Jeffrey Chang founded Doblet, Rad AI.
Where did Jeffrey Chang go to school?
Jeffrey Chang studied at NYU Grossman School of Medicine (MD, Medicine); The University of Edinburgh (Graduate Studies, Artificial Intelligence); UCLA Anderson School of Management (MBA, Entrepreneurship).

Founder mafias

Same school

Shared employers