MSOS 2021-2023 Board of Directors


Chad Pedersen, MD
Sidney Health Center Cancer Care

Immediate Past President/Secretary/Treasurer

Jack Hensold, MD
Medical Oncologist
Bozeman Deaconess Cancer Center

Jack Hensold, MD, has been a provider at Bozeman Health Cancer Center since 2004. Board certified in hematology, medical oncology, and internal medicine, Dr. Hensold completed medical school at Rush Medical College of Rush University Medical School. Following a residency in internal medicine at University of Wisconsin Hospital and Clinics in Madison, Wisconsin, he completed fellowship training in hematology and medical oncology at Beth Israel Hospital and Harvard Medical School in Boston.

Dr. Hensold was an instructor of medicine at Harvard Medical School and a visiting scientist at Massachusetts Institute of Technology prior to joining Case Western University in Cleveland. There, he served as associate professor of medicine and ran a research lab funded by grants from the National Institutes of Health, the American Cancer Society, and the Veterans Administration. He became the director of the hematology and medical oncology fellowship program at Case Western, and served as the chair of the Scientific Review Board for the American Cancer Society in Ohio.


Jeannine Brant, PhD, APRN, AOCN, FAAN
Oncology Clinical Nurse Specialist; Nurse Scientist
Billings Clinic
Brooke Hueftle, PharmD
Clinical Oncology Pharmacist
Billings Clinic
Melissa L. Kaptanian, MD, FACS
Breast Surgical Oncologist
Kalispell Regional Healthcare, Kalispell Regional Cancer Program

1801 Research Boulevard Suite 400
Rockville, MD 20850
Tel: 301.984.9496 | Fax: 301.770.1949
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