Dr. Greg Petsko is the Arthur J. Mahon Professor of Neurology and Neuroscience and Director of the Helen and Robert Appel Alzheimer's Disease Research Institute at Weill Cornell Medical College, as well as the Tauber Professor of Biochemistry and Chemistry, Emeritus, at Brandeis University. Greg is a structural biologist and biochemist by training, but he has entered into a new research field where he is working to find cures for neurodegenerative diseases like Alzheimer's disease, Parkinson's disease, and Lou Gehrig's disease. When he's not working, writing about science and society is something Greg enjoys and is passionate about. He received his PhD from the University of Oxford and worked at Wayne State University, MIT, and Brandeis University before joining the faculty at Cornell where he is today. He has received numerous awards and honors during his career, including the Pfizer Award in Enzyme Chemistry of the American Chemical Society and the Max Planck Prize. Greg is also a member of the National Academy of Sciences, the Institute of Medicine, the American Academy of Arts and Sciences, and the American Philosophical Society. He is the Past-President of the American Society for Biochemistry and Molecular Biology and is President of the International Union of Biochemistry and Molecular Biology. He has also written a column on science and society that is available as a book entitled Gregory Petsko in Genome Biology: the first 10 years. In our interview, Greg shares stories from his life and science.