Who is the only billionaire in Liechtenstein?

Who is the sole billionaire residing in the tiny alpine nation of Liechtenstein, known for its low taxes and banking secrecy? As a small, wealthy country with a population of just over 38,000, it's intriguing to ponder who among its citizens has amassed a fortune exceeding the billion-dollar mark. Could it be a tech entrepreneur, a successful investor, or perhaps someone in the finance sector who has Leveraged the country's favorable business environment to their advantage? Intrigued by this mystery, I am eager to uncover the identity of this exceptional individual.