Our STAFF

The staff of Southeast Radiation Oncology Center is dedicated to the total well-being of our patients. To contact any of our staff members, click on the "email" link below their biography and we will get back to you within one business day. (Please note: If you have a medical emergency, please call 911 immediately.)


Alex Gonnsen, R.T. (T)

Alex Gonnsen, R.T. (T)

Radiation Therapist

Alex has over five years of experience as a radiation therapist in a rural healthcare setting. He holds an Associate of Science degree in Radiation Therapy from Argosy University. He is certified by the American Registry of Radiologic Technologists.

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Kelly Smelser, MHA, RT(R)(T)

Kelly Smelser, MHA, RT(R)(T)

Lead Radiation Therapist / Department Manager

Kelly has over 10 years of experience in Radiation Therapy, and was previously a Lead Therapist at Emory University. She holds a Bachelor of Science degree in Allied Health/Radiography from East Tennessee State University, a Bachelor of Arts degree from Maryville College in Child Development/Psychology, and a Master of Science degree in Health Administration from the University of St. Francis.

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Cassie Burgess

Cassie Burgess

Patient Experience Specialist

Cassie holds a Bachelor of Science degree in Psychology from Central Michigan University. She joined the SROC team in November of 2017, after spending over six years in the field of behavioral health.

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HEATH BONSALL, MS, CMD

HEATH BONSALL, MS, CMD

CERTIFIED MEDICAL DOSIMETRIST / DIRECTOR OF DOSIMETRY SERVICES

Heath has over eleven years of experience in radiation oncology. He earned a Master of Science in Medical Dosimetry as well as a Bachelor of Science in Radiation Therapy from the University of Wisconsin-Lacrosse. He is also a board certified Radiation Therapist.

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