The goal of this Notice of Funding Opportunity (NOFO) is to accelerate the establishment ofeffective and reliable biomarkers of Alzheimers disease (AD) and AD-related dementias (ADRD) for usein therapy/medical product discovery and development, clinical trials and/or clinical practice. Specifically, this NOFO willsupport analytical and/or clinical validationof a biomarker, composite biomarker or biomarker signature, withrigor comparable with the expectations described in the Food and Drug Administration (FDA)Biomarker Qualification Program (BQP) or recommended by other FDA regulatory pathways.