Since arriving at Washington University in Saint Louis Dr. Ances has expanded his interest in neurodegenerative diseases (especially Alzheimer’s disease). His laboratory was one of the first in the world to develop novel positron emission tomography (PET) tau imaging of Alzheimer’s disease. He is the site leader for the Alzheimer’s Disease Neuroimaging Initiative (ADNI) and is a member of the Executive committee for the Knight Alzheimer’s Disease Research Center (ADRC). His work continue to translating novel neuroimaging methods for differentiating neurodegenerative diseases in the clinical setting. Dr. Ances is an active member and leader in multicenter NeuroAIDS organizations such as the Neurologic AIDS Research Consortium (NARC), the AIDS Clinical Trials Group (ACTG), and the CNS HIV Antiretroviral Therapy Effects Research (CHARTER). He has served on numerous NIH and private foundation study sections and has led NIH panels for developing new guidelines for the diagnosis of HIV associated neurocognitive disorders (HAND). He is a fellow of the American Neurological Association (ANA) and American Academy of Neurology (AAN).