DR. MARWAN SABBAGH is a geriatric neurologist and dementia specialist. He is also the director of the Alzheimer's Disease and Memory Disorders Division at the Barrow Neurological Institute, and research professor of neurology at the University of Arizona College of Medicine Phoenix. He is the author of The Alzheimer’s Answer and co-editor of Palliative Care for Advanced Alzheimer’s and Dementia.

Chef BEAU MACMILLAN is executive chef at Sanctuary on Camelback Mountain. He has cohosted the Food Network show The Worst Cooks in America, was on The Next Iron Chef, and currently appears on The Best Thing I Ever Ate and Chopped.