ROS Staff

  • Board Certified Radiation Oncologists
  • Board Certified Medical Physicists
  • Certified Medical Dosimetrists
  • Registered Radiation Therapists
  • Registered Nurses
  • Information Technology Specialists
  • Site Managers
  • Administrators
  • Billing Staff

ROS Administration:

  • John Warner Ray, M.D., FACRO – Medical Director/Chief Executive Officer
  • Laurie Ray Harrell, MD – Vice-President
  • Cathy Speir – Chief Administrative Officer
  • Lynn Wilson – Chief Financial Officer
  • Sasha Wahab, MD – Chief Clinical Officer
  • Mendy Whitworth – Director of Operations
  • Vickie Dauenhauer – Director of Human Resources
  • Greg Wilson – Director of Information Technology
  • Michele Ogletree, RN – Director of Quality Improvement
  • Pam Aycock – Director of Accounting Services
  • Nelda Champagne – Patient Financial Services
  • Kim Burgess – Credentialing Coordinator