Dr. Yu has served on the Company s Board of Directors since April 2009. She has been a Professor of Pediatrics for the University of California in San Diego since 1994. Previously, she was the Chief of Pediatric Hematology Oncology at the University of California in San Diego. From 2003 to May 2013, Dr. Yu served as a Distinguished Research Fellow and Associate Director at the Genomics Research Center, Academia Sinica, in Taiwan. Dr. Yu has also served in several government-appointed advisory positions and is a member of numerous scientific committees and associations. She has been a long-time member of the Children s Oncology Group in the United States, serving on the Steering Committee of Neuroblastoma. Dr. Yu currently serves as a director of two private entities, Apexcella Biomedical Inc. and UCT Bioscience, Inc. She was honored with the Pediatric Oncology Award by the American Society of Clinical Oncology (ASCO) in 2020. Dr. Yu is an accomplished physician, professor, and resea