Fritz Sieber, PhD

Investigator, Children's Research Institute

Professor, Pediatrics and Medicine, Cell Biology, Neurobiology and Anatomy, Microbiology and Molecular Genetics, Medical College of Wisconsin




  • Hematology, Oncology and Transplant

Research interests

  • Cancer

Study interests

  • Selenium-based experimental therapeutics
  • Novel anti-cancer agents
  • Autologous hematopoietic stem cell transplantation
  • Ex vivo purging, prevention of therapy-induced toxicities
  • Mitigation of radiation injury, photodynamic therapy


  • Doctorate, Swiss Federal Institute of Technology, Zurich, Switzerland, 1976
  • Fellowship, The Johns Hopkins University, Baltimore, 1976-1979

Education and Awards



  • Swiss National Science Foundation Fellow
  • Swiss National Science Foundation Scholar
  • Hubert E. and Anne E. Rogers Award
  • Leukemia Society of America Scholar
  • Frederick Stohlman Memorial Award of the Leukemia Society of America
  • Associate editor, Cancer Therapy and Control
  • Editorial board/section editor, Cancer Research, Therapy & Control
  • Editorial board, Current Chemical Biology

Research and publications


  • High-Dose Selenium for Mitigation of Radiation Injury, NIH, Center for Medical Countermeasures Against Radiological Terrorism, principal investigator
  • Mitigation of Radiation Injury in Brain Tumor Patients, Clinical and Translational Science Institute of Southeast Wisconsin and Advancing a Healthier Wisconsin, principal investigator
  • Mitigation of Radiation Injury in Pediatric Brain Tumor Patients, CHW-Rebecca Slye Cancer Care Fund, principal investigator
  • Selenium for Mitigation of Late Effects in Pediatric Brain Tumor Patients, St. Baldrick's Foundation (, principal investigator