EXPERIENCE
i. Certified Elekta System Start Physicist. Twenty eight system-start sites (Worldwide).
ii. Radiosurgery Physicist. Gamma Knife; 3,500+ Leksell Gamma plans and patient settings,
including 550+ thalamotomy targeting; 200+ Sub-Thalamic targeting in Deep Brain Stimulation where confirmatory activity has been identified on the first pass. Cyber Knife: acceptance, commissioning. MRI/CT quality assurance tests for use in radiosurgery.
iii. Radiological Physicist. Acceptance/Commissioning of 15+ linear accelerators, commissioning/data-entry into seven treatment planning systems and two record and verify systems, intravascular brachytherapy, TLD, CT simulations, RSO at the Gamma Knife Center, instructor of radiological science to Bellevue Community College.
iv. Physicist. Mössbauer spectroscopy, x-ray and neutron diffraction, solid state medical detectors, ion implantation, ultra high vacuum techniques, electron microscopy, air pollution analysis by x- ray fluorescence techniques.
EMPLOYMENT
i. Stereotactic Radiosurgery/Radiation Oncology.
September 2007 – Present. Elekta Instruments AB. Certified System Start Consultant.
July 1997 – Present. Northwest Hospital Gamma Knife Center/Swedish Radiosurgery Center.
Seattle, WA
Medical Physicist, Radiation Safety Officer (RSO) and Trustworthy and Reliable Officer (TRO). Employers: Northwest Hospital, Seattle, WA; Swedish Cancer Institute, Seattle, WA; Virginia Mason Clinic, Seattle, WA; Northwest Medical Physics Center, Lynnwood, WA.
September 1986 – June 1997. Medical Physicist
Employers: Sacred Heart Medical Center, Spokane, WA; Holy Family Hospital, Spokane, WA; Roger Maris Cancer Center. Fargo, ND; Bethesda Regional Cancer Center, Carbondale, IL
June 1988 – August 1989. Mallinckrodt Institute of Radiology. St Louis, MO. Medical Physicist trainee
ii. Physics
October 1978 – August 1979. Oak Ridge National Laboratory, Solid State Division, Oak Ridge, TN. Guest physicist
January 1975 – December 1981. Chilean Nuclear Energy Commission, “La Reina” Nuclear Reactor. Senior Physicist
EDUCATION
1984 – 1987. Southern Illinois U, Molecular Science Program, Ph.D. candidate.
1984 Master of Science, Physics, SIU, Carbondale, IL.
1976 Licentiate of Sciences, Physics, U of Chile, Faculty of Sciences, Santiago, Chile.
HONORS
Fellowship, International Atomic Energy Agency. 1978.
MISCELLANEOUS
- Authorized Gamma Knife Medical Physicist by WA State Dept. of Radiation Protection
- Languages Spanish: fluent, French: reading. Computer: Cocoa, Perl/Tk, Tcl/Tk, C, Fortram.
iii. Interests Sport driving licensee, tennis, hiking, skiing, and backpacking.
PUBLICATIONS
Ronald F. Young, Robert D. Hesselgesser, Eugene Ahn, Sandra Vermeulen Francisco Li, Jesse Lee. Bilateral Gamma Knife thalamotomy for treatment of axial tremor. Transl Cancer Res.2014; 3(6):525-529.
Ronald F. Young, Francisco Li, Sandra Vermeulen, Daniel A. Clayton, Robert D. Hesselgesser. Gamma knife pallidotomy for treatment of Parkinson’s disease: long term results, clinical study. Transl Cancer Res.2014; 3(4):342-350.
Esther J. Kim, Sandra Vermeulen, Francisco J. Li, David W. Newell. A review of cerebral arteriovenous malformations and treatment with stereotactic radiosurgery. Transl Cancer Res.2014; 3(4):399-410.
Ronald F. Young, M.D., Francisco Li, M.S., Sandra Vermeulen, M.D., and Robert Meier, M.D. Gamma Knife thalamotomy for treatment of essential tremor: long-term results. Journal of Neurosurgery. 112:1311–1317, 2010.
Ronald Young, Dean Jacques, Rufus Mark, Oleg Kopyov, Brian Copcutt, Allen Posewitz, and Francisco Li. Gamma Knife Thalamotomy for Treatment of Tremor: Long Term Results. Journal of Neurosurgery. 93:128-135, 2000.
Vermeulen SS, Young RF, Li F, Meier R, Raisis J, Klein S, Kohler E. A Comparison of Single Fraction Radiosurgery Tumor Control and Toxicity in the Treatment of Basal and Nonbasal Meningiomas. Sterotact Func. Neurosurg, 72(suppl 1):60-65, 1999.
Vermeulen S, Young R, Li F, Meier R, Raisis J, Klein S, Kohler E. Increased Toxicity in Single Fraction Stereotactic Radiosurgery for Nonbasal Meningiomas. Int. J. Radiat. Oncol. Biol. Phys. 42(suppl), 212, 1998.
Li-Aravena, F., and Saporoschenko, M. Mobilities of positive ions in sulphur hexafluoride gas. Journal of Chemical Physics. 98(11) 8888,1993.
Infante, C.E., Donoso, J.P., and Li, F. Neutron diffraction study of the oxide-conducting phase of (Bi3O3)-x (Y3O3)x(x=0.25). Solid State Ionics. 25(1) 1987, 63.
Wignall, G.D., Child, H.R., and Li-Aravena, F. Small angle neutron studies of a compatible polymer blend, atactic polyetyrene poly (2.6 dimethyl phenylene oxide). Polymer. 21(1980), 131.
Birstein, L., Li, F., and Klawer, R. The manufacture of needle type Si(Li) detector for biomedical use. Nuclear Instruments and Methods. 113(1974), 279.
Birstein, L., Filevich, A., Li-Aravena, F., and Martinez, P. A thermal and fast neutron monitor for use in subcritical facility. Nuclear Instruments and Methods. 113(1974), 615.
ABSTRACTS/PRESENTATIONS
C. Loiselle, S. Vermeulen, R. Meier, F. Li, R. Young. Treatment of Essential Tremor with Stereotactic Radiosurgery. Int J Rad Onc Biol Phys; 90(1) suppl., s167, September 1 2014.
Francisco Li, Ronald F Young, Barton Keogh, Daniel Susanto. Measurement of DTI Co-registration Accuracy in Identifying the Target for ET Treatments. 17th International Meeting of the Leksell Gamma Knife Society. New York, USA, May 2014.
Sandra Vermeulen, Ester Kim, Doug Backous, Francisco Li, Cristian Cotrutz, Ron Young, Robert Meier, Christopher Loiselle. A comparison of Single and Multi-Fraction Radiosurgery Outcomes in the Treatment of Acoustic Neuroma. 17th International Meeting of the Leksell Gamma Knife Society. New York, USA, May 2014.
S. Fouke, E. Kim, E. Fontana, C. Robinson, K. Rich, T. Benzinger, F. Li, C. Loiselle, S. Vermeulen, D. Marcus. An informatics platform to facilitate the multi-site consideration of imaging markers of prognosis and response to therapy in patients with brain metastases undergoing stereotactic radiosurgery: CONDR- METS. 17th International Meeting of the Leksell Gamma Knife Society. New York, USA, May 2014.
Jesse Lee, Ronald Young, Robert Hesselgesser, Francisco Li. Effect of bilateral Gamma Knife thalamotomy on axial tremor. 17th International Meeting of the Leksell Gamma Knife Society. New York, USA, May 2014.
Francisco Li. The Gamma Knife Perfexion at the Swedish Radiosurgery Center. One credit MDCB approved educational presentation to physicists and dosimetrists. March 2011.
Sandra Vermuelen, Francisco Li, Per Kjäll. A Comparison Between Two Leading Stereotactic Radiosurgical Platforms in the Treatment of Multiple Metastases.14th International Meeting of the Leksell Gamma Knife Society. Québec, Canada, May 2008.
Francisco. Li, Ronald. Young. Leksell Gamma Plan for Subthalamic Nucleus Deep Brain Stimulation. 14th International Meeting of the Leksell Gamma Knife Society. Québec, Canada, May 2008.
Ronald F. Young, Sandra Vermuelen, Robert Meier, Francisco Li. Gamma Knife Thalamotomy for Treatment of Essential Tremor: Long Term Results. 53rd Annual Meeting. Western Neurological Society. Kalahuipua’a, Hawaii, USA. September 2007.
P. Kjäll, O. Brantmark, A. Siegbahn, V. Mehta, F. Li, J. Ye, Stereotactic Leksell Gamma Knife Radiosurgery of Targets Near Air Cavities Evaluated by the Monte Carlo Method and Radiochromic Film Measurements. 13h International Meeting of the Leksell Gamma Knife Society. Seoul, Korea, May 2006.
R. Meier, S. Vermuelen, R Young, F Li, V. Mehta, Dose Response and Dose-Complication Relationships in Stereotactic Radiosurgery for Trigeminal Neuralgia. 13h International Meeting of the Leksell Gamma Knife Society. Seoul, Korea, May 2006.
F. Li. R. Young, R. Mark, Target Localization in Thalamotomies. 12h International Meeting of the Leksell Gamma Knife Society. Vienna, Austria, May 2004.
Ronald F. Young, Sandra Vermuelen, Vivek Mehta, Robert Meier, Francisco Li. Bilateral Gamma Knife
Radiosurgery for Treatment of Movement Disorders. 72nd Annual Meeting, American Association of Neurological Surgeons. Orlando, FL, USA. May 2004.
Ronald F.Young, Dean B. Jacques, Brian Copcutt, Francisco J. Li. Gamma Knife Radiosurgery for Treatment of Movement Disorders: Eleven Years of Experience. Annual Meeting, American Association of Neurological Surgeons. San Diego, CA, USA. May 2003.
Ronald F.Young, Dean B. Jacques, Brian Copcutt, Francisco J. Li. Radiosurgical Medial Thalamotomy for Treatment of Chronic Pain: A New Technique. Annual Meeting, American Association of Neurological Surgeons. San Diego, CA. USA, May 2003.
Ronald F.Young, Dean B. Jacques, Brian Copcutt, Francisco J. Li. Gamma Knife Radiosurgery for Treatment of “Large” Lesions. Annual Meeting, American Association of Neurological Surgeons. San Diego, CA, USA. May 2003.
Ronald F.Young, Dean Jacques, Rufus Mark, Brian Copcutt, Francisco Li. Gamma Knife Radiosurgery for Pituitary Adenomas: Long Term Follow-up. Annual Meeting American Association of Neurological Surgeons. Chicago, IL, USA. April 2002.
R Young, R Mark, D Jacques, F Li. Gamma Knife Radiosurgery for Treatment of “Large” lesions. 11h International Meeting of the Leksell Gamma Knife Society. Prague, Czech Republic, May 2002.
R Young, R Mark, D Jacques, F Li. Gamma Knife Radiosurgery for Pituitary Adenomas: Long Term Follow-up of Efficacy\Safety and Pituitary Function. 11h International Meeting of the Leksell Gamma Knife Society. Prague, Czech Republic, May 2002.
Ronald F.Young, Dean Jacques, Rufus Mark, Brian Copcutt, Francisco Li. Gamma Knife Radiosurgery (GKRS) for treatment of Trigeminal Neuralgia: Long-Term Results. 51st Annual Meeting. Congress of Neurological Surgeons. 2001.
R.Mark, R.Young, S.Vermeulen, R.Meier, D.Jacques, B.Copcutt, F.Li, J.Raisis, E.Kohler. Gamma Knife radiosurgery for meningiomas. 10th International Meeting of the Leksell Gamma Knife Society. Squaw Valley, CA, USA. April 2000.
R.Young, D.Jacques, R.Mark, S.Vermeulen, R.Meier,B.Copcutt, F.Li. Treatment of movement disorders by Gamma Knife thalamotomy and pallidotomy:long term follow up. 10th International Meeting of the Leksell Gamma Knife Society. Squaw Valley, CA, USA. 2000.
R.Young, D.Jacques, R.Mark, S.Vermeulen, B.Copcutt, F.Li. Gamma Knife treatment of trigeminal neuralgia: long term results. 10th International Meeting of the Leksell Gamma Knife Society. Squaw Valley, CA, USA. April 2000.
Ronald Young, Sandra Vermeulen, Francisco Li, Allen Posewits. Gamma Knife Thalamotomy and Pallidotomy for Treatment of Movement Disorders. Annual Meeting American Association of Neurological Surgeons. San Francisco, CA, USA, 2000.
Ronald Young, Dean Jacques, Sandra Vermeulen, Rufus J.Monk, Francisco Li, Brian Copcutt. Gamma Knife treatment of trigeminal neuralgia: long term results. Annual Meeting Congress of Neurological Surgeons. Boston, MA, USA, 1999.
Ronald Young, Dean Jacques, Sandra Vermeulen, Rufus J.Monk, Francisco Li, Brian Copcutt. Gamma Knife treatment of trigeminal neuralgia: long term results. Annual Meeting. Congress of Neurological Surgeons. Boston, MA, USA, 1999.
RF Young, D Jacques, S Vermeulen, CM Dumas, RJ Mark, SP Lee, B Copcutt, QV Kopyov, A. Posewits, F. Li.. Gamma Knife radiosurgery of trigeminal neuralgia. 4th International Stereotactic Radiosurgery Society Congress. Sydney, Australia. February 1999.
S. Vermuelen, R.Young, F. Li, R.Meier, J. Raisis, S. Klein, E. Kohler. A comparison of single fraction radiosurgery tumor control and acute toxicity in the treatment of basal and non-basal meningiomas. 9th International Meeting of the Leksell Gamma Knife Society, Hong Kong, SAR, November 1998.
Bello J., Donoso J.P., Li Aravena F. Si(Li) Mini detectors in 192Ir Dosimetry. 21st Annual Meeting AAPM. Atlanta, GA, USA. 1979.
Li Aravena F., Lobo G., Donoso J.P. Incorporation of semiconductor detector in a probe for gastroenterological studies. VI Latin American Congress of Biology and Nuclear Medicine. Quito, Ecuador. 1976.