Meet the Team

Our Team of Brain Tumor Experts

Our team of brain tumor experts is experienced in caring for patients with all types of brain tumors. As one of the largest brain tumor treatment centers in the Midwest, our experience, combined with our participation in clinical trials and research, means better outcomes for our patients.

Meet our team:

Andrew J. Tsung, MD, neurosurgical oncologist, Director

Jeffrey D. Klopfenstein, MD, neurosurgeon

Sarah Beam, APN

James L. McGee, MD, SN, FACRO, radiation oncologist

Mackenzie C. McGee, MD, radiation oncologist

Sarah E. Martin, MD, neuropathologist

Francois Geoffroy, MD, medical oncologist with Illinois Cancer Care

Nurse Navigator

Cassandra Richardson, RN, BSN, CNRN, Brain Tumor Nurse Navigator

Cassandra Richardson, RN, BSN, CNRN Cassie began her nursing career in 2006 at OSF St. Francis Medical Center as a bedside nurse in the Neuroscience Intensive Care Unit caring for brain tumor patients. In 2011, Cassie became a permanent charge nurse on the neuroscience intermediate care unit caring for and overseeing the care of the brain tumor patients.

She obtained her certification as a nationally certified neuroscience nurse in 2012. In 2015, Cassie joined the INI Brain Tumor Center as the brain tumor nurse navigator. Her role is to support, educate and guide the brain tumor patients by seamlessly coordinating their care and serving as a resource to them through their treatment journey.