Mark Walter, a billionaire associated with the Los Angeles Dodgers, has built a substantial financial enterprise that relies heavily on retirement savers. Insurers that are part of Walter's empire are among the country's largest sellers of annuities, a type of financial product popular for retirement planning.

These insurers, which are key components of Walter's broader financial holdings, play a significant role in the market for annuity products. Annuities are contracts between an individual and an insurance company, where the individual makes a lump-sum payment or a series of payments in exchange for regular payments at a later date, typically for retirement income.

The extent to which these companies are involved in selling annuities highlights a core aspect of Walter's business strategy. The capital generated from these sales and the management of these retirement funds contribute to the financial backing of his diverse business interests, which include sports franchises like the Dodgers.