Tonja Dean Promoted to Supervisor April 19, 2010 By Gregg Tracton Dean promoted to Administrative Support Supervisor position. Tonja Dean Tonja Dean will manage the work of support staff at check in/check out, nursing station, and transport, and the creation of monthly clinic coverage calendar. Filed Under: Categories: News Tags: Announcements, Clinical Service More from Department of Radiation Oncology Physics Match 2025 Match Day 2025 2024 in Research