Isabell Utz-Billing is a medical doctor in the department of gynecology and obstetrics of the German Red Cross Hospital Westend in Berlin. During her residency she specialized in diagnosis and therapy of breast cancer patients. Her interest lies on the topics of psychosocial support of patients with breast cancer.

Utz-Billing and her Yoga and Breast Cancer co-author Ingrid Kollak cooperated in the randomized clinical study The Effects of Yoga on Patients with Mammacancer (2008-2009) funded by the German Statutory Health Insurance (AOK).