Vice Chairman/Executive Director, Chief of Research Robert L. Ullrich

Vice Chairman/Executive Director, Chief of Research Robert L. Ullrich


B.S. Creighton University
M.S. Creighton University
Ph.D. University of Rochester

Professional appointments

Oak Ridge National Laboratory
  • 1974-1988

    Staff Scientist to Senior Scientist, Biology Division

  • 1977-1989

    Head, Radiation Carcinogenesis Unit, Biology Division

The University of Texas Medical Branch
  • 1989-2001

    Professor and Director, Biology Division, Dept. of Radiation Oncology

Colorado State University
  • 2001-2008

    Professor, Departments of Environmental and Radiological Health Sciences and of Clinical Sciences

  • 2001-2008

    Director, Cancer Research and Radiological Health Sciences Program

  • 2004-2008

    Institutional Director, Colorado State University Component, University of Colorado Consortium Comprehensive Cancer Center

The University of Texas Medical Branch
  • 2008-2018

    Professor, Departments of Radiation Oncology, and of Biochemistry and Molecular Biology

  • 2009-2013

    Director, Sealy Center for Cancer Biology

Radiation Effects Research Foundation
  • 2013-2015

    Associate Chief of Research

  • 2015-present

    Vice Chairman

Professional activities

President, Radiation Research Society

International Commission on Radiological Protection. Committee 1

NAS/NRC Committee on Health Risks of Exposure to Low Levels of Ionizing Radiation (BEIR VII)

International Association for Research on Cancer working groups on radiation carcinognensis and mechanisms of carcinogenesis

Honors and awards

R.J.M. Fry Research Award, Radiation Research Society.

Vincent P. Collins Distinguished Professor, UTMB

Barbara Cox Anthony Distinguished University Chair, CSU

Distinguished Emeritus Member, NCRP

John Sealy Distinguished Chair in Cancer Biology, UTMB

Failla Medal, Radiation Research Society.

Lauriston S. Taylor Award and Lecture, National Council on Radiation Protection and Measurements

Recent pubulications

  1. M. M. Weil, J. S. Bedford, E. J. Ehrhart, F. A. Ray, P. C. Genik, C. Fallgren, M. Callan, R. L. Ullrich. Incidence of acute myeloid leukemia and hepatocellular carcinoma in 1 GeV/n 56Fe irradiated mice. Radiation Research, 172: 213-219, 2009.
  2. Igor Shuryak, Robert L. Ullrich, Rainer K. Sachs, and David J. Brenner. The Balance Between Initiation and Promotion in Radiation-Induced Murine Carcinogenesis. Radiation Research 174: 357-366, 2010.
  3. Kristin M. Fabre, Lila Ramaiah, Ryan C. Dregalla, Christian Desaintes, Michael M. Weil, Susan M. Bailey, and Robert L. Ullrich. Murine Prkdc polymorphisms impact DNA-PKcs function. Radiation Research 175: 493-500, 2011.
  4. Igor Shuryak, David J. Brenner, and Robert L.Ullrich. Gamma rays and neutrons produce cancer through different mechanisms. PLoS One. 2011; 6(12):e28559. Epub 2011 Dec 14.
  5. Bielefeldt-Ohmann H, Genik PC, Fallgren CM, Ullrich RL, Weil MM. Animal Studies of Charged Particle-induced Carcinogenesis. Health Phys. 103: 568-76, 2012.
  6. Shubhashish Sarkar, Carla Kantara, Ixiu Ortiz, Rafal Swiercz, Joyce Kuo, Robert Davey, Kenneth Escobar, Robert Ullrich, and Pomila Singh. Progastrin overexpression imparts metastatic potential and increases stem cell populations co-expressing AnnexinA2. Int J Cancer 131(7): 1088-99, 2012.
  7. Leta S. Steffen, Jeffery W. Bacher, Yuanlin Peng, Paula C. Genik, Phuong N. Le, F. Andrew Ray, Joel S. Bedford, Christina M. Fallgren, Susan M. Bailey, Robert L. Ullrich, Michael M. Weil, Liang-Hao Ding, Michael D. Story. Molecular characterization of murine acute myeloid leukemia induced by 56Fe ion and 137Cs gamma-ray irradiation. Mutagenesis 28: 71-79, 2013.
  8. Carla Kantara, Ixiu Ortiz, Joyce Kuo, Robert Davey, Kenneth Escobar, Robert Ullrich, and Pomila Singh. Curcumin promotes autophagic survival of a sub-set of DCLK1+vecolon cancer stem cells, which is ablated by DCLK1-siRNA Cancer Research 74: 2487-98, 2014
  9. Michael M. Weil, Andrew Ray, Jeffrey W. Bacher, Joel S. Bedford, Leta Steffen, Lianghao Ding, Helle Bielefeldt-Ohmann, Paula C. Genik, Bradford Loucas, Yongjia Yu, Maureen McCarthy, Astrid Corbin, Lauren Macias, Daniel Olivares, Christina M. Fallgren, Michael D. Story, and Robert L. Ullrich. Effects of 350 MeV/n 28Si and 600MeV/n 56Fe ions on the induction of acute myeloid leukemia and hepatocellular carcinoma. PLoS One Aug 15;9(8): 2014.
  10. Paula C. Genik, Irina Vyazunova, Leta S. Steffen, Jeffery W. Bacherb, Helle Bielefeldt-Ohmann, Scott McKercher, Robert L. Ullrich, Christina M. Fallgren, Michael M. Weil, F. Andrew Ray. Leukemogenesis in Heterozygous PU.1 Knockout Mice. Radiation Research, 182:310-315, 2014
  11. Carla Kantara, Malaney O’Connell, Gurinder Luthra, Aakash Gajjar, Robert Ullrich, Shubhashish Sarkar, and Pomila Singh. Methods for Detecting Circulating Cancer Stem Cells (CCSCs) as a Novel Approach for Diagnosis of Colon Cancer Relapse/Metastasis. Lab. Investigation 95: 100-12, 2014.
  12. Melpo Christofidou-Solomidou, Ralph Pietrofesa, Evguenia Arguiri, Kelly Schweitzer, Evgeny Berdyshev, Maureen McCarthy, Astrid Corbitt, Joshua Alwood, Yongjia Yu, Ruth Globus, Charalambos Solomides, Robert Ullrich, and Irina Petrache. Space Radiation Associated Lung Injury in a Murine Model. Am J Physiol Lung Cell Mol Physiol. 308(5):L416-28, 2015.
  13. Crowley KD, Cullings HM, Landes RD, Shore RE, Ullrich RL. Comments on Estimating Risks of Low Radiation Doses-A Critical Review of the BEIR VII Report and Its Use of the Linear No-Threshold (LNT) Hypothesis by Edward J. Calabrese and Michael K. O’Connor. Radiat Res. 183(4):476-81, 2015.
  14. Carla Kantara, Stephanie M. Moya, Courtney W. Houchen, Shahid Umar, Robert L. Ullrich, Pomila Singh, Darrell H. Carney. TP508, A Novel Regenerative Peptide, Mitigates Radiation-Induced Gastrointestinal Damage By Preserving Crypt Integrity And Activating Crypt Stem Cells. Lab Investigation, 95(11): 1222-1233, 2015.
  15. Anna M. Nia, Tianlong Chen, Brooke L. Barnette, Kamil Khanipov, Robert L. Ullrich, Suresh K. Bhavnani, Mark R. Emmett. Efficient Identification of Multiple Pathways: RNA-Seq Analysis of Livers from 56Fe Ion Irradiated Mice. BMC Bioinformatics 21:118, 2020.
  16. Anna M. Nia, Kamil Khanipov, Brooke L. Barnette, Robert L. Ullrich, George, Golovko, Mark R. Emmett. Comparative RNA-Seq transcriptome analyses reveal dynamic time- dependent effects of 56Fe, 16O, and 28Si irradiation on the induction of murine hepatocellular carcinoma. BMC Genomics, 21:453, 2020.
  17. Anna M. Nia, Alexander Shavkunov, Robert L. Ullrich, Mark R. Emmett. 137Cs γ ray and 28Si Irradiation Induced Murine Hepatocellular Carcinoma Lipid Changes in Liver Assessed by MALDI-MSI Combined with Spatial Shrunken Centroid Clustering Algorithm. ACS Omega 5:25164?25174, 2020.