The Lead Radiation Therapist is accountable for the coordination of all radiation therapist activities on a day-to-day basis. The Lead Therapist is involved in the hiring of new radiation therapists within the Radiation Therapy department and assures assigned personnel have the requisite knowledge and skills to meet the identified needs and operational responsibilities. Performs all responsibilities of a staff radiation therapist and mentors staff Radiation Therapists and Radiation Therapy Students. Responsible for delivering ionizing radiation therapy treatments as determined by the Radiation Oncologist. Under the direction of the Department Manager assumes additional responsibilities to support the area. Helps complete the Quality Assurance Program, leads the therapist activities in absence of Department Manager, resolves or answers staff questions, and takes the lead in complex treatment setups.