Annovis Bio, Inc. develops drugs for Alzheimer's and Parkinson's diseases and other neurodegenerative disorders. It offers posiphen compound for mild cognitive impairment and early stage Alzheimer's disease and bisnorcymserine compound that inhibits amyloid formation and prevents the progression of the Alzheimer's disease. The company was founded by Maria Luisa Maccecchini in May 2008 and is headquartered in Berwyn, PA.