Li-Shiun Chen

Li-Shiun Chen

Professor of Psychiatry

Additional Titles & Roles


  • Director, Tobacco Treatment Program, Siteman Cancer Center

Education & Training


  • Residency: Washington University, St. Louis, MO, 2004
  • ScD: Johns Hopkins University, Baltimore, Maryland, 1998
  • MPH: Johns Hopkins University, Baltimore, Maryland, 1995
  • MD: National Taiwan University, Taipei, Taiwan, 1993

Major Awards


  • Faculty Member, Alpha Omega Alpha (AOA) Honor Medical Society, 2023
  • Fellow, Society of Research for Nicotine and Tobacco, 2023
  • World Congress of Psychiatric Genetics Travel Award, 2009
  • APA Resident Research Award, 2004
  • Eli Robins Award, Washington University Department of Psychiatry, 2004

Areas of Clinical Interest


Nicotine Dependence, Schizophrenia, Mood Disorder, Community Psychiatry, Cancer Psychiatry

Research Interests


1. Precision medicine
2. Clinical trials
3. Implementation science
4. Cancer prevention
5. Vulnerable and rural population health
6. Cross-population and public health genomics

Visit lab website

Key Publications


  • See more publications

    Funded Research Projects


    NIDA (MPI): A multilevel intervention to personalize and improve tobacco treatment in primary care
    NCI (MPI): Precision prevention strategy to increase uptake and engagement in lung cancer screening and smoking cessation treatment
    DoD/LCRP: Precision Treatment to Promote Smoking Cessation and Survival in Oncology Patients
    NCI (Supplement PI): Cancer Center Tobacco Cessation
    NCI (Co-I): Integrative Analysis of Lung Cancer Etiology and Risk
    NCI (Co-I): Implementation Science Center for Cancer Control
    NIDA (Co-I): Mechanisms of Behavior Change in a Genetics-Informed Smoking Cessation Intervention
    NIDA (Co-I): Testing the feasibility and acceptability of social media and digital therapeutics to decrease vaping behaviors