As of November 20, 2023, Rafaela Aponte- Diamant  was the wealthiest person in Switzerland, with an estimated net worth of 27.1 billion U.S. dollars, followed by Gianluigi Aponte (No. 2, $27.1 billion), Ernesto Bertarelli (No. 3, $9.5 billion); and Ivan Glasenberg (No. 4, $9.1 billion). Guillaume Pousaz is the fifth-richest person in Switzerland,...