Our Board

Isaac Meier President

Isaac Meier is the co-founder and President of the Save A Brain Foundation and plays an integral role in the organization’s day-to-day operations. He has raised tens of thousands of dollars for the Save A Brain Foundation and for several other worthy causes, including various political campaigns.

Isaac has over 5 years experience in non-profit organization management and has extensive experience in strategic initiatives and operational responsibilities grounded in the non-profit and healthcare management sector.

Isaac holds a B.A. in Political Science from The University of Southern California. He currently is pursuing a law degree at Southwestern Law School in Los Angeles.

Samuel Zidovetzki Executive Director

Sam Zidovetzki is currently Chief Resident in Emergency Medicine at the University of Wisconsin – Hospitals and Clinics. Working in the Emergency Department allows Samuel to work with all types of patients and provide them with interdisciplinary care. Working at the University of Wisconsin also affords him the opportunity to work with some of the most innovative cancer researchers in the country. While completing his Masters Degree, his research focused on cancer biology, involving novel anti-angiogenic therapies that showed positive effects on tumor inhibition in preliminary studies.

Sam continues to be very involved with cancer research, earning first place for his poster describing the anti-angiogenic effects of snake venom protein derivatives at the American Medical Association conference. Sam is very encouraged to have his work acknowledged by such a large and prestigious community, and plans to continue his dedication to Glioma Research throughout his medical career. Sam is also the co-founder and Executive Director of the Save A Brain Foundation. His passion and dedication have increased the impact that the Save A Brain Foundation has on supporting worthwhile research projects aimed at combating GBM.

Our Doctors

Photo of Dr. Thomas C. Chen

Dr. Thomas C. Chen

Dr. Chen is the Director of the USC/Norris Neuro-Oncology Program, and Associate Professor of Neurological Surgery and Pathology at the USC Keck School of Medicine. He received his medical degree from the University of California – San Francisco, and earned his doctorate degree from the University of Southern California. Dr. Chen specializes in Neuro-Oncology, treating a wide range of brain and spinal cord tumors. His laboratory focuses on translational research, developing and evaluating novel methodologies and strategies for the treatment of malignant brain tumors.

Photo of Dr. John S. Yu

Dr. John S. Yu

John S. Yu, MD is the Director of Surgical Neuro-oncology, Medical Director of the Brain Tumor Center, and the Neurosurgical Director of the Gamma Knife Program at Cedars-Sinai Medical Center. He is Vice Chair in the Department of Neurosurgery. An internationally renowned neurosurgeon, Dr. Yu’s clinical focus is on the treatment of malignant and benign brain and spinal tumors. He is also conducting extensive research in immune and stem cell therapy for brain tumors.

Photo of Dr. Jacob W. Chodakiewitz

Dr. Jacob W. Chodakiewitz

Dr. Chodakiewitz was the principal research investigator in the FDA studies of Deep Brain Stimulation (DBS) for tremor and chronic pain, and his work was instrumental in helping gain FDA approval of Deep Brain Stimulation for Parkinson’s disease. He received his medical degree from the National Autonomous University of Mexico, and is a stereotactic neurosurgeon with a specialty in the field of Functional Neurosurgery. Dr. Chodakiewitz is a neurosurgical consultant for Kaiser Permanente Hospitals in Los Angeles, and a member of the Brain Research Institute at UCLA.

Photo of Dr. Pedro R. Lowenstein

Dr. Pedro R. Lowenstein

An internationally recognized researcher, Dr. Lowenstein works to develop therapeutic strategies to treat chronic neurological disorders, and has pioneered cutting-edge breakthroughs in experimental gene therapeutics. His group is also developing non invasive imaging technologies to track brain responses to various treatments. Dr. Lowenstein has published dozens of research articles in prestigious medical journals, and is Editor-in-Chief of Current Gene Therapy. He received his medical and doctorate degrees from the University of Buenos Aires, and is the Director of the Board of Governors Gene Therapeutics Research Institute at Cedars-Sinai.

Photo of Dr. James E. Tourje

Dr. James E. Tourje

Dr. Tourje is a neuroradiology specialist at Cedars-Sinai Medical Center. He earned his medical degree from the University of Minnesota, where he also served as assistant professor of radiology. He completed additional training in interventional radiology techniques at Johns Hopkins University. Dr. Tourje is a member of several professional organizations, including the American Society of Neuroradiology. He has also published and presented data in his area of expertise.

Photo of Dr. Florence M. Hofman

Dr. Florence M. Hofman

Dr. Hofman is a certified clinical immunologist, and a Professor of Neurological Surgery, Pathology, and Ophthalmology at the University of Southern California Keck School of Medicine. She is an expert in angiogenesis and the blood-brain-barrier, and has thoroughly investigated both primary brain tumors and metastatic breast cancer to the brain. She has published dozens of research articles in prestigious scientific journals. Dr. Hofman earned her master’s degree from the University of Wisconsin, and her doctorate degree from the Weizmann Institute of Science.

Photo of Dr. Steven W. Tabak

Dr. Steven W. Tabak

Dr. Tabak is an interventional cardiologist at the Cardiovascular Medical Group of Southern California, and an Associate Clinical Professor of Medicine at the UCLA School of Medicine. He received his medical degree from Johns Hopkins University, and is recognized as an expert in general clinical, consultative, and interventional cardiology. He has also participated in intravascular ultrasound and intracoronary stenting research. Dr. Tabak previously served as chairman of the cardiology division at Brotman Medical Center, as well as clinical chief of cardiology and chairman of the cardiac catheterization committee at Cedars-Sinai Medical Center.

Honorary Board Members

Honorary Board Members

Marcie Meier Special Events Coordinator