Won Jin Ho, M.D.

Headshot of Won Jin Ho
  • Director, Mass Cytometry Facility
  • Assistant Professor of Oncology

Languages: English, Korean


Johns Hopkins Sidney Kimmel Comprehensive Cancer Center

401 N. Broadway
Baltimore, MD 21231 map


Dr. Won Jin Ho is a physician-scientist at Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins who focuses on cancer immunology and tumor microenvironment research.

Dr. Ho received his BS and MS in Biomedical Engineering from University of California, Los Angeles, and his MD from Wayne State University School of Medicine. Dr. Ho completed a research track internal medicine residency as an NIH F32 postdoctoral fellow at Case Western Reserve University and subsequently completed a medical oncology fellowship at Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins as the recipient of ASCO Young Investigator Award and AACR Immuno-Oncology Fellowship.

Dr. Ho's overarching research interest is to develop novel immunotherapeutic strategies even against immune-resistant cancers by first understanding the immune responses to current therapeutics. Dr. Ho focuses on determining the systemic and in situ changes by leveraging cutting-edge technologies. With his expertise in mass cytometry, Dr. Ho is co-leading many of the systemic and spatial immune profiling efforts at Johns Hopkins. Dr. Ho also is developing novel small-molecule cancer therapeutics and methodologies for translational discovery.

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  • Director, Mass Cytometry Facility
  • Associate Director, Convergence Institute
  • Assistant Professor of Oncology

Departments / Divisions

Centers & Institutes

  • Cancer Immunology
  • Convergence Institute



  • MD; Wayne State University School Of Medicine (2013)


  • Internal Medicine; Case Western Reserve University Hospitals Cleveland Medical Center (2017)


  • Oncology; Johns Hopkins University School of Medicine (2020)

Board Certifications

  • American Board of Internal Medicine (Internal Medicine) (2016)
  • American Board of Internal Medicine (Medical Oncology) (2019)

Research & Publications


Lab Website: WJH Lab

Activities & Honors


  • Harrington Scholar-Innovator Award, Harrington Discovery Institute, 2023
  • MacMillan Pathway to Independence Award, 2020
  • AACR-Incyte Immuno-Oncology Research Award, 2019
  • ASCO Young Investigator Award, 2019
  • AACR Aspen Workshop (selected participant), 2016
  • CWRU Department of Medicine Research Award, 2016
  • Ruth L. Kirschstein Postdoctoral Individual National Research Service Award, 2015
  • Arnold P. Gold Foundation Humanism and Excellence in Teaching Award, 2014
  • WSU School of Medicine Distinction in Biomedical Research, 2013
  • Alpha Omega Alpha Honor Medical Society, 2012
  • Edward K. Rice Outstanding Master's Student Award, 2009


  • AACR
  • SITC

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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