subquestion: Who is Forbes' youngest billionaire in 2024?
answer: Livia Voigt
subquestion: Which country is Livia Voigt from?
answer: Brazil
subquestion: Which political party won the most recent municipal election?
answer: Liberal party
subquestion: Who is the president of the liberal party?
answer: Valdemar Costa Neto
Final answer: Valdemar Costa Neto