Staff, Pictures and Bios

James Zwiebel, MD, Branch Chief, IDB

James Zwiebel received the MD degree from the Mount Sinai School of Medicine, where he also completed his residency training in internal medicine. Following a clinical fellowship in hematology and oncology at the George Washington University Medical Center and research fellowships at both the National Cancer Institute and the National Heart Lung and Blood Institute, he continued his laboratory work on cancer gene therapy as a member of the faculty at Lombardi Cancer Center of the Georgetown University Medical Center, where he also practiced hematology and oncology. More…

S. Percy Ivy, MD, Associate Branch Chief, IDB

S. Percy Ivy, MD is the Associate Chief (2005) of the Investigational Drug Branch (IDB) which is part of the Cancer Therapy Evaluation Program (CTEP) in the Division of Cancer Treatment and Diagnosis of the National Cancer Institute. She received her medical and subspecialty training at Tulane University Medical School, Vanderbilt University Medical Center and the National Cancer Institute, respectively. More…

John J. Wright, MD, PhD, Associate Branch Chief, IDB

Dr. Wright received a PhD in molecular virology from the University of Illinois Medical Center and his medical degree from Northwestern University Medical School in Chicago. He completed internship and residency training in Internal Medicine at the University of Virginia in Charlottesville. He then was a research fellow in the Metabolism Branch of the National Cancer Institute. More…

Helen Chen, MD, Associate Chief and Medical Officer

Dr. Helen Chen joined the Cancer Therapy Evaluation Program (CTEP) of National Cancer Institute (NCI) in 2000. She currently serves as Associate Chief of the Investigational Drug Branch (IDB) Section III, which focuses on the clinical development of antibody-based therapeutics, active immunotherapies, MAPK and RTK inhibitors as well as antiangiogenic agents. More…

Fernanda Arnaldez, MD, Medical Officer

Fernanda Arnaldez, MD, joined the Investigational Drug Branch, CTEP, in 2017 as a Medical Officer in the Investigational Therapeutics 1 Section where she develops clinical trials within the CTEP portfolio. Her background includes oncology research in government, industry and academia. More…

Austin Doyle, MD, Medical Officer

Dr. Doyle received his medical degree from the University of Maryland School of Medicine, where he completed internship and residency training in Internal Medicine. Dr. Doyle completed a medical oncology fellowship in the NCI-Navy Medical Oncology Branch of NCI. More…

Charles Kunos, MD, PhD, Medical Officer

Dr. Charles Kunos joined CTEP in 2016. He received his MD and PhD from Case Western Reserve University School of Medicine. Subsequently, he served as the Clinical Director of the Gynecologic, Pediatric, and Musculoskeletal Radiation Therapy service lines in the Department of Radiation Oncology at University Hospitals of Cleveland and Assistant Professor in the Department of Radiation Oncology at Case Western Reserve University. In this capacity, he was responsible for delivering teletherapy in the clinic and brachytherapy in the clinic and the operating room. He developed skills in helical tomotherapy, gamma knife radiosurgery, and Cyberknife stereotactic body radiosurgery. More…

Jeff Moscow, MD, Medical Officer

Jeffrey A. Moscow, MD, joined the CTEP Investigational Drug Branch (IDB) in January 2014, after serving part time since August 2012. Prior to joining CTEP, he was Children’s Miracle Network Professor of Pediatrics, Chief of Pediatric Hematology-Oncology, Vice Chair of Pediatrics, and co-leader of the Experimental Therapeutics Program of the Markey Cancer Center, all at the University of Kentucky. His IDB portfolio includes erlotinib, lapatinib, osimertinib, trebananib, dinutuximab, MEDI570, glembatumumab, and anetumab. More…

Richard Piekarz, MD, PhD, Medical Officer

Dr. Piekarz is a Medical Officer in the Investigational Therapeutics 2 Section of the Investigational Drug Branch of CTEP. Dr. Piekarz is a graduate of the Albert Einstein College of Medicine, where he received a PhD in Molecular Pharmacology in addition to an MD. He did his internship and residency in Internal Medicine at the University Hospitals of Cleveland. More…

Elad Sharon, MD, MPH, Medical Officer

Dr. Sharon joined CTEP in December 2011 as a Senior Investigator in the Investigational Drug Branch, where he works with academic investigators and industry collaborators to carry out the clinical development of promising new cancer therapies. His current portfolio includes immunotoxins, antibody-drug conjugates, immune-based monoclonal antibodies and other targeted agents. Dr. Sharon received his M.D. from Baylor College of Medicine in Houston, Texas in 2003. More…

Howard Streicher, MD, Medical Officer

Dr Streicher received AB in physics from Cornell University and his medical degree from New York University. He completed an internship and residency training in Internal Medicine at the New York University-Bellevue Medical Center and New York Veterans Hospital. More…