Dave Ramsey is a personal finance expert, author, and radio host known for his straightforward approach to money management. He gained popularity through his books, such as The Total Money Makeover, and his radio show, The Dave Ramsey Show, where he offers financial advice to listeners. His teachings emphasize budgeting, saving, and living debt-free. Ramsey is the founder of Ramsey Solutions, a company that provides financial education resources and tools. He advocates for a step-by-step plan to achieve financial stability, which includes creating an emergency fund and paying off debt using the debt snowball method.