July 15, 2020 How to Make Your Savings Last for Decades, According to a 96-Year-Old Retirement Expert

Summary: by Alina Dizik. Retirement experts love to theorize about how best to plan for the thirty-plus years you hope to enjoy after hitting age 65. When Jack Guttentag — who turned 96 last December — gives advice, he’s speaking from experience. Guttentag, an economist who retired from the University of Pennsylvania’s Wharton School in the late 1990s, founded the website the Mortgage Professor in 2011, which he still runs.