Dr. Komaki (Professor and Gloria Lupton Tennison Distinguished Professorship for the Lung Cancer Research, Department of Radiation Oncology at UTMDACC) occupies a key position and exerts considerable authority at UTMDACC as Co-Director with Dr. Roy Herbst of the UTMDACC Multidisciplinary Lung Cancer Program. Dr. Komaki is a clinician and translational researcher who has been active in clinical and translational research in radiation oncology for thirty years. She worked at the Radiation Effect Research Foundation as a Postgraduate Fellow in the Department of Internal Medicine affiliated with Hiroshima University Atomic Bomb Research Institute, Hiroshima, Japan from 1969 to 1970. She worked for people who were exposed to Atomic Bomb and their incidence of malignancy correlated with chromosome abnormality. She worked as a Post-doctoral Research Fellow at the Hematology Oncology at the VA Hospital Milwaukee Wisconsin from 1972 to1973. Then she took her Radiation Oncology Residency program at the Medical College of Wisconsin (MCW) between 1974 and 1977. She took a fellowship at the MCW including elective time spent at the M. D. Anderson Cancer Center (MDACC) in 1979. She received ABR board certification in 1977 and recertification in 2001. She served the associate professor and clinical chief at the Department of Radiation Oncology in Columbia-Presbyterian Medical Center in New York City from 1985 till1988. She served as the director of Clinical Research Program, Department of Radiation Oncology, Division of Radiation Oncology of Columbia-Presbyterian Medical Center, New York, New York from 1/1986 to1/1988. In Aug.1988, she was recruited to be the associate professor and section chief of Radiation Oncology at UTMDACC. She has been the tenured professor of Radiation Oncology at the UTMDACC from 1997 to present. She is the Primary Investigator of Radiation Therapy and Oncology Group (RTOG) for the UTMDACC from1997 till present. She is the Associate Medical Director, of the Thoracic Center UTMDACC from 1997 till present. She holds the Program Director of Thoracic Radiation Oncology, Department of Radiation Oncology, Division of Radiation Oncology, The University of Texas M. D. Anderson Cancer Center from 1/2004 till present. Dr. Komaki is an ABR Oral Board Examiner. Dr. Komaki is a member of twenty-four medical societies, including American Medical Association, American Association for Cancer Research, American Society Therapeutic Radiation Oncology (ASTRO), American Radium Society, (ARS) American College of Radiology, American Society of Clinical Oncology, American Association of Women Radiologists (AAWR), International Association for the Study of Lung Cancer (IASLC), a member of the National Council Radiation Protection (NCRP), Radiological Society of North America(RSNA). Women Against Lung Cancer (WALC), a member of National Comprehensive Cancer Network (NCCN) for the Lung Cancer, Chair of American College of Radiology (ACR) appropriateness of management of Lung Cancer, and past Chair of Radiation Oncology for the Texas Radiological Society.