![Portrait of Bryan Allen](/sites/radiationoncology.medicine.uiowa.edu/files/styles/square__1024_x_1024/public/2024-09/Bryan-Allen.jpg.jpg?h=14468fdb&itok=rm36Sptx)
Bryan Allen, MBA, MD, PhD
Professor, Chairman and DEO, Department of Radiation Oncology
![Portrait Ryan Flynn](/sites/radiationoncology.medicine.uiowa.edu/files/styles/square__1024_x_1024/public/2024-09/Flynn_Ryan-2018.jpg?h=c391df0a&itok=w7sWbfyq)
Ryan Flynn, PhD
Clinical Professor of Radiation Oncology; Director, Division of Medical Physics
![Portrait Andrean Simons-Burnett](/sites/radiationoncology.medicine.uiowa.edu/files/styles/square__1024_x_1024/public/2024-09/Burnett_Andrean_2023_01.jpg?h=b74472d2&itok=4VIj5imM)
Andrean Simons-Burnett, PhD
Associate Professor and Director, Free Radical and Radiation Biology Program
![Portrait Jana Grienke](/sites/radiationoncology.medicine.uiowa.edu/files/styles/square__1024_x_1024/public/2024-09/Grienke%2CJana-2015.jpg?h=3d579db7&itok=csCyYdyn)
Jana Grienke, MHA, ROCC
Director, Clinical Functions
E-mail: jana-grienke@uiowa.edu
Phone: (319) 356-8144