Faculty

Samuel Klempner

MD
Associate Professor
Mass General Cancer Center

Dr. Klempner is a Associate Professor at Massachusetts General Hospital and Harvard Medical School and leads the gastric and esophageal program. His clinical and translational research is centered on cancer genomics, acquired resistance to targeted therapies and the intersection of genomics and immune mediated therapies to identify novel therapeutic approaches and biomarkers in gastroesophageal cancers. He serves on the NRG non-colorectal committee, the NCI esophagogastric task force, and the NCCN guideline committees for gastric and esophageal cancers. His work is supported by Stand Up 2 Cancer, NCI/NIH, AACR, and he currently serves as the AGA Research Foundation’s Gastric Cancer Foundation Ben Feinstein Memorial Research Scholar Award in Gastric Cancer.

2026 Sessions

Optimizing Immunotherapy Sequencing in Gastroesophageal Malignancies: Neoadjuvant Chemo–IO vs Perioperative Chemo/RT Followed by Adjuvant Anti–PD-1

  • Moderator
    • Cathy Eng
    • Yelena Janjigian
  • Presenter
    • Samuel Klempner
    • Nataliya Uboha
Gastrointestinal Cancers

Perioperative Chemo/RT Followed by Adjuvant Anti–PD-1

  • Presenter
    • Samuel Klempner
Gastrointestinal Cancers

Established HER2-Targeted Therapy

  • Debate Speaker
    • Samuel Klempner
Gastrointestinal Cancers

First-Line Management of HER2-Positive Gastroesophageal Cancer: Established HER2-Targeted Therapy vs Next-Generation HER2-Directed Combinations

  • Moderator
    • Cathy Eng
  • Presenter
    • Yelena Janjigian
    • Samuel Klempner
Gastrointestinal Cancers
Back to top