Meet the

Philadelphia CyberKnife team

The experts at Philadelphia CyberKnife are here to help you. Learn more about each team member below.

CyberKnife® Treatment Team

John Lamond, MD

Medical Director

Stephen A. Arrigo, MD

Radiation Oncologist

Rachelle M. Lanciano, MD

Radiation Oncologist

Deborah A. Markiewicz, MD

Radiation Oncologist

Jonathan G. Thomas, MD


Kenneth M. Liebman, MD


Jun Yang, PhD, DABR

Chief Medical Physicist

Michael Good, RN

Site Administrator





Speak To A Team Member Today!

Being diagnosed with cancer or having a loved one face the disease can be scary. Philadelphia CyberKnife is here to help. Submit the form below or call our office to have our nurse navigator contact you within 24 hours (Monday-Friday).