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Our Expert Team / Physicists

Medical Physics Faculty:

Dr. Nzhde Agazaryan

Nzhde Agazaryan, Ph.D., DABR

Dr. Agazaryan is an Associate Professor of Radiation Oncology and Director of the Radiosurgery and Stereotactic Body Radiotherapy Physics.  Dr. Agazaryan's appointment in the Department of Radiation Oncology involves research, teaching and clinical practice.  His research and clinical interests include stereotactic radiosurgery (SRS/SRT), stereotactic body radiotherapy (SBRT), image-guided radiotherapy (IGRT), functional image-guided radiotherapy and gated radiotherapy.  Dr. Agazaryan is a Diplomate of The American Board of Radiology - board certified in Therapeutic Radiologic Physics.

   

 

 

 

 

John DeMarco, Ph.D., DABR

Dr. DeMarco received his PhD from the UCLA Biomedical Physics Graduate Program in 1997 and is currently chief of the clinical physics section in the UCLA Department of Radiation Oncology.  Dr. DeMarco currently teaches Introduction to Radiation Dosimetry and an introduction to Monte Carlo methods as part of the Biomedical Physics graduate curriculum.  His research interests include Monte Carlo based radiation dosimetry applications and image guidance using megavoltage cone-beam CT.


Medical Physicists:

Phillip Chow, M.S. 
Phillip Chow graduated from UCLA with a Bachelor of Science degree in Physics in 1990.  While attending graduate school in Astrophysics, he began working as a Medical Dosimetrist in 1992.  He received his certification from the Medical Dosimetrist Certification Board (MDCB) in 1995.  He then moved to Bangor, Maine in 1996 where he worked for two years as a Certified Medical Dosimetrist before being offered a position at Kaiser Permanente in Southern California.  He stayed with Kaiser from 1998 to 2000 when he was accepted to the Biomedical Physics Graduate Program here at UCLA, starting in September of that year.  He earned his Master of Science degree in Biomedical Physics in 2004 and shortly thereafter began working as a Medical Physicist here in the UCLA Department of Radiation Oncology.  He is currently working on his Ph.D. in Biomedical Physics while working full-time as a Medical Physicist at UCLA.

Lan Kobe, M.S., DABR 
Lan Kobe has been working as a Medical Physicist at UCLA Department of Radiation Oncology for more than 30 years. She graduated from the University of California at Berkeley, Division of Biophysics and Medical Physics, with a Master's Degree in 1975. After graduation she spent two years as a research and clinical Fellow at the physics section of the Radiation Oncology Department, University of California at San Francisco. She received certification from The American Board of Radiology in 1992.

Chul Lee, M.S.
Chul Lee has been working as a medical physicist at UCLA Radiation Oncology since January 2006. He obtained Master's degree in Medical Physics from Medical College of Ohio in December 2005.  Prior to coming to UCLA, he worked as a researcher in radiochemistry laboratory for ten years at University of Michigan - Ann Arbor.

Steve Tenn, Ph.D.
Stephen Tenn joined the UCLA Department of Radiation Oncology in November of 2008. He received his PhD from the UCLA Biomedical Physics Graduate Program in 2007. His dissertation project focused on the accuracy of image guidance and gated radiotherapy using the Novalis Radiosurgery system. After completing his PhD Dr. Tenn left UCLA for a one year post doctoral fellowship at the Stanford University Department of Radiation Oncology. While at Stanford he worked with the CyberKnife radiosurgery team as well as with the Stanford Outreach physics program. Dr. Tenn's research interests include investigating image guided methods for accurate stereotactic radiosurgery/radiotherapy and stereotactic body radiotherapy treatments.