Faculty in the Department of Radiation Oncology provide leadership in Siteman Cancer Center and contribute significantly to developmental therapeutic and clinical trials research.

Department Leadership

Dennis E. Hallahan, MD, FASTRO
Elizabeth H. and James S. McDonnell III Distinguished Professor of Medicine Chair, Department of Radiation Oncology

Jeff M. Michalski, MD, MBA, FASTRO
Carlos A. Perez Distinguished Professor
Vice Chair and Director of Clinical Programs

Geoffrey Hugo, PhD, FAAPM
Professor of Radiation Oncology, Vice Chair of Medical Physics

Julie K. Schwarz, MD, PhD
Professor of Radiation Oncology, Vice Chair, Research, Cancer Biology Division Chief

These values constantly guide our department leadership in decision-making and interaction with our team!

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Christopher D. Abraham, MD

Christopher D. Abraham, MD

Assistant Professor of Radiation Oncology
Medical Director of Clinical Informatics

Executive Assistant: Lena Zein (lena.a@wustl.edu)

Michael Altman, PhD

Michael Altman, PhD

Associate Professor of Radiation Oncology
Director of Education in Medical Physics

Anthony J. Apicelli, MD, PhD

Anthony J. Apicelli, MD, PhD

Associate Professor of Radiation Oncology

Executive Assistant: Christina Mossinghoff  (cmossinghoff@wustl.edu)

Carmen Bergom, MD, PhD

Carmen Bergom, MD, PhD

Associate Professor of Radiation Oncology

Executive Assistant: Lena Zein (lena.a@wustl.edu)

Amit Bhatt, MD, PhD

Amit Bhatt, MD, PhD

Assistant Professor of Radiation Oncology

Executive Assistant: Christina Mossinghoff  (cmossinghoff@wustl.edu)

Walter Bosch, DSc

Walter Bosch, DSc

Professor of Radiation Oncology

Douglas F. Caruthers, MS

Douglas F. Caruthers, MS

Instructor of Radiation Oncology

Jessika Contreras, MD

Jessika Contreras, MD

Assistant Professor of Radiation Oncology
Chief, Gynecological Oncology and Brachytherapy

Executive Assistant:  Nicole Castleberry (nicole.c@wustl.edu)

David T. Curiel, MD, PhD

David T. Curiel, MD, PhD

Professor of Radiation Oncology

Arash Darafsheh, PhD

Arash Darafsheh, PhD

Associate Professor of Radiation Oncology

Carl DeSelm, MD, PhD

Carl DeSelm, MD, PhD

Assistant Professor of Radiation Oncology

Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)

Igor Dmitriev, PhD

Igor Dmitriev, PhD

Associate Professor of Radiation Oncology

Farnoush  Forghani-Arani, PhD

Farnoush Forghani-Arani, PhD

Assistant Professor of Radiation Oncology

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H. Michael Gach, PhD

Professor of Radiation Oncology

Jose Garcia-Ramirez, MS

Jose Garcia-Ramirez, MS

Assistant Professor of Radiation Oncology

Hiram A. Gay, MD

Hiram A. Gay, MD

Professor of Radiation Oncology
Chief, Genitourinary Service
Medical Director of Radiation Oncology, Siteman Cancer Center – South County

Executive Assistant: Estella Scott (eascott@wustl.edu)

S. Murty Goddu, PhD

S. Murty Goddu, PhD

Professor of Radiation Oncology

Bruce Gu, PhD

Bruce Gu, PhD

Assistant Professor of Radiation Oncology

Lannis Hall, MD, MPH

Lannis Hall, MD, MPH

Associate Professor of Clinical Radiation Oncology
Vice Chair, SCC Clinical Research Committee
SCC Director of Diversity and Inclusion in Clinical Research
Medical Director of Radiation Oncology, SCC at Barnes-Jewish St. Peters Hospital
Clinical Trials Leader, Program to Eliminate Cancer Disparities

Executive Assistant:  Nicole Castleberry (nicole.c@wustl.edu)

Dennis E. Hallahan, MD, FASTRO

Dennis E. Hallahan, MD, FASTRO

Elizabeth H. and James S. McDonnell III Distinguished Professor of Medicine
Chair, Department of Radiation Oncology

Executive Assistant:  Jeanne Silvestrini (j.silvestrini@wustl.edu)

Jon Hansen, PhD

Jon Hansen, PhD

Clinical Physicist

Yao Hao, PhD

Yao Hao, PhD

Assistant Professor of Radiation Oncology
Chief of Image Services

Dean Hobbis, PhD

Dean Hobbis, PhD

Instructor of Radiation Oncology

Jiayi Huang, MD, MSCI

Jiayi Huang, MD, MSCI

Associate Professor of Radiation Oncology
Chief, CNS/Gamma Knife Service
Co-director, Brain Tumor Center at Siteman Cancer Center

Executive Assistant:  Christina Barr (barrchristina@wustl.edu)

Yi Huang, MS

Yi Huang, MS

Instructor of Radiation Oncology

Geoffrey Hugo, PhD

Geoffrey Hugo, PhD

Professor of Radiation Oncology
Vice Chair of Medical Physics

Executive Assistant: Jennifer McDermott (boemerj@wustl.edu)

Vaishali Kapoor, PhD

Vaishali Kapoor, PhD

Assistant Professor of Radiation Oncology

Hyun Kim, MD

Hyun Kim, MD

Associate Professor of Radiation Oncology
Chief, Gastrointestinal Service
Chief, MR-Guided Radiotherapy

Executive Assistant:  Amy Akers (akersa@wustl.edu)

Taeho Kim, PhD

Taeho Kim, PhD

Professor of Radiation Oncology
Chief, SRS Medical Physics Services (Lead GK AMP)

Nels Knutson, PhD

Nels Knutson, PhD

Associate Professor of Radiation Oncology
Chief, Clinical Medical Physics

Executive Assistant: Jennifer McDermott (boemerj@wustl.edu)

Susan Laduzinsky, MD

Susan Laduzinsky, MD

Assistant Professor of Radiation Oncology
Medical Director of Radiation Oncology, Siteman Cancer Center at Memorial Hospital East

Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)

Eric Laugeman

Eric Laugeman

Clinical Staff Physicist
Chief, Adaptive RT Physics

Hugh Lee, PhD

Hugh Lee, PhD

Assistant Professor of Radiation Oncology

Jason Lee, MD, PhD

Jason Lee, MD, PhD

Assistant Professor of Radiation Oncology

Executive Assistant:  Christy Hanson (chanson@wustl.edu)

Calvin Lewis, MD, PhD

Calvin Lewis, MD, PhD

Instructor of Radiation Oncology

Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)

Hua Li, PhD, DABR

Hua Li, PhD, DABR

Professor of Radiation Oncology

Executive Assistant: Alice Canavan (canavana@wustl.edu)

Michael Lowe, MS

Michael Lowe, MS

Clinical Physicist

Zhi Hong Lu, PhD

Zhi Hong Lu, PhD

Assistant Professor of Radiation Oncology

Stephanie Markovina, MD, PhD

Stephanie Markovina, MD, PhD

Assistant Professor of Radiation Oncology

Executive Assistant: Lena Zein (lena.a@wustl.edu)

Nichole M. Maughan, PhD, MS

Nichole M. Maughan, PhD, MS

Assistant Professor of Radiation Oncology

Thomas Mazur, PhD

Thomas Mazur, PhD

Assistant Professor of Radiation Oncology
Chief, SBRT

Jeff M. Michalski, MD, MBA, FASTRO

Jeff M. Michalski, MD, MBA, FASTRO

Carlos A. Perez Distinguished Professor
Vice Chair and Director of Clinical Programs

Executive Assistant: Gayle Bumb (gbumb@wustl.edu)

Justin Mikell, PhD

Justin Mikell, PhD

Assistant Professor of Radiation Oncology

Timothy Mitchell, PhD

Timothy Mitchell, PhD

Assistant Professor of Radiation Oncology

Allen Mo, MD, PhD

Allen Mo, MD, PhD

Assistant Professor of Radiation Oncology

Executive Assistant:  Amy Akers (akersa@wustl.edu)

Michael Moravan, MD, PhD

Michael Moravan, MD, PhD

Assistant Professor of Radiation Oncology
Medical Director, Siteman Cancer Center at Northwest HealthCare

Executive Assistant: Christina Mossinghoff  (cmossinghoff@wustl.edu)

Eric Morris, PhD

Eric Morris, PhD

Assistant Professor of Radiation Oncology

Seungjong Oh, PhD

Seungjong Oh, PhD

Assistant Professor of Radiation Oncology

Naim Ozturk, PhD

Naim Ozturk, PhD

Chief Physicist, Cox Health Springfield

Rajesh Panthi, PhD

Rajesh Panthi, PhD

Clinical Physicist

Stephanie M. Perkins, MD

Stephanie M. Perkins, MD

S. Lee Kling Endowed Professor of Radiation Oncology
Director, S. Lee Kling Proton Therapy Center

Executive Assistant:  Christina Barr (barrchristina@wustl.edu)

Michael Prusator, PhD

Michael Prusator, PhD

Assistant Professor of Radiation Oncology
Chief, External Beam Physics

Nikhil Rammohan, MD, PhD

Nikhil Rammohan, MD, PhD

Assistant Professor of Radiation Oncology

Executive Assistant:  Christina Barr (barrchristina@wustl.edu)

Francisco Reynoso, PhD

Francisco Reynoso, PhD

Associate Professor of Radiation Oncology
Chief, Treatment Planning Medical Physics Services
Director, Medical Physics Residency Program

Clifford G. Robinson, MD

Clifford G. Robinson, MD

Professor of Radiation Oncology
Chief, Stereotactic Body Radiation Therapy (SBRT)
Associate Director, Clinical Programs

Executive Assistant:  Amy Akers (akersa@wustl.edu)

Buck Rogers, PhD

Buck Rogers, PhD

Associate Director, Cancer Biology Division
Professor of Radiation Oncology

Ziad Saleh, PhD

Ziad Saleh, PhD

Assistant Professor of Radiation Oncology

Pamela Samson, MD, MPHS

Pamela Samson, MD, MPHS

Assistant Professor of Radiation Oncology

Executive Assistant: Lena Zein (lena.a@wustl.edu)

Matthew Schmidt, PhD

Matthew Schmidt, PhD

Assistant Professor of Radiation Oncology
Chief, Quality Assurance

Julie K. Schwarz, MD, PhD

Julie K. Schwarz, MD, PhD

Professor of Radiation Oncology, Vice-Chair, Research, Cancer Biology Division Director

Executive Assistant: Kathy Hentrich (k.hentrich@wustl.edu)

Abhay Singh, PhD

Abhay Singh, PhD

Assistant Professor of Radiation Oncology

William Straube, MS

William Straube, MS

Research Associate Professor of Radiation Oncology

Maria A. Thomas, MD, PhD

Maria A. Thomas, MD, PhD

Associate Professor of Radiation Oncology

Executive Assistant: Estella Scott (eascott@wustl.edu)

Wade L. Thorstad, MD

Wade L. Thorstad, MD

Professor of Radiation Oncology
Chief, Head and Neck Cancer Service

Executive Assistant: Estella Scott (eascott@wustl.edu)

Samantha To, MS

Samantha To, MS

Clinical Physicist

Gregory R. Vlacich, MD, PhD

Gregory R. Vlacich, MD, PhD

Associate Professor of Radiation Oncology
Clinical Director for Satellite Operations
Medical Director of Radiation Oncology, Alton Memorial Hospital

Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)

Phillip Wall, PhD, MS

Phillip Wall, PhD, MS

Assistant Professor of Radiation Oncology
Assistant Program Director, Medical Physics Residency Program

Joanna C. Yang, MD, MPH

Joanna C. Yang, MD, MPH

Associate Professor of Radiation Oncology
Chief, Leukemia and Lymphoma Service
Director, Clinical Residency Program

Executive Assistant:  Christina Mossinghoff  (cmossinghoff@wustl.edu)

Hailei Zhang, PhD

Hailei Zhang, PhD

Assistant Professor of Radiation Oncology

Jin Zhang, PhD, MPHS

Jin Zhang, PhD, MPHS

Assistant Professor of Radiation Oncology

Tiezhi Zhang, PhD

Tiezhi Zhang, PhD

Professor of Radiation Oncology

Tianyu Zhao, PhD

Tianyu Zhao, PhD

Professor of Radiation Oncology
Chief of Proton Medical Physics Services

Xiandong Zhao, PhD

Xiandong Zhao, PhD

Assistant Professor of Radiation Oncology

Xiaodong Zhao, PhD

Xiaodong Zhao, PhD

Assistant Professor of Radiation Oncology

Tong Zhu, PhD, DABR

Tong Zhu, PhD, DABR

Associate Professor of Radiation Oncology
Chief, MRgRT Services

Imran Zoberi, MD

Imran Zoberi, MD

Professor of Radiation Oncology
Medical Director of Radiation Oncology, Siteman Cancer Center at Barnes-Jewish West County Hospital

Executive Assistant: Nicole Castleberry (nicole.c@wustl.edu)

Jacqueline Esthappan Zoberi, PhD

Jacqueline Esthappan Zoberi, PhD

Professor of Radiation Oncology
Chief, Brachytherapy Medical Physics Service