Dr Seiden is a Board-Certified Medical Oncologist who brings a background of leadership positions across the cancer care and business ecosystems. His previous experience includes serving as president of US Oncology Network, a McKesson owned company that includes the largest collection of community-based oncology care practices in the United States. He also served as CEO and President of Fox Chase Cancer Center, a National Cancer Institute designated research center as well as a founding member of the National Comprehensive Cancer Network.