Ki Chak

Senior Medical Physicist

About Ki

Driven by Improving Patient Care

With the technological revolution in Radiation Oncology physics, it is an honor to be working in a dynamic hospital like Valley Hospital. We have the privilege of utilizing state-of-the-art technology such as Gamma Knife ICON to improve patient care.

Specialization & Expertise

  • Radiation Oncology Physics
  • Quality Assurance
  • Treatment Planning



Valley Hospital – Medical Physicist (1986-Present)

Montefiore Medical Center (1980-1986)

  • Physicist (1982-1986)
  • Research Associate (1980-1982)


American Board of Radiology in Radiation Therapy Physics

Education and Training:

Chinese University of Hong Kong, Bachelor of Science (1971)

City College, City University of New York, Ph.D. (1980)