Retiree Anita Haug

Retiree Anita Haug

Gianluca Colla/Bloomberg

Retiree Anita Haug, who signed up with Rent a Rentner agency after working for Citigroup Inc. in Zurich for 23 years, including eight years as a wealth manager said, “There’s a big demand for business and finance, because the pensioners have a lot of know-how that young people lack.”