Lynsi Martinez Torres net worth: Lynsi Martinez Torres is the heiress to the In-N-Out fast food empire who has a net worth of $1 billion. Lynsi Martinez Torres was born Lynsi Snyder is the sole owner of the wildly successful west coast hamburger franchise In-N-Out burger. Lynsi's grandparents Harry and Esther Snyder founded IN-N-Out in 1948 in Baldwin Park, California. Today the company has 281 locations and has annual revenues estimated at $500 million. At 30 years old, Lynsi is the youngest female billionaire in the world. She inherited the company after a series of deaths in the family company left her as the sole heir. Harry Snyder died in 1976 and left the company his son Rich (Lynsi's uncle). The company passed to Lynsi's father after Rich died in a plane crash in the early 90s. Lynsi's father then died of a prescription pill overdose in 1999 when she was just 17 years old. Lynsi's grandmother Esther held onto the company until her death in 2006, at which point Lynsi became the sole owner of In-N-Out burger. She technically only has 50% of the company today, the other half is sitting in a trust until Lynsi turns 35, five years from now. The last name Martinez comes from Lynsi's ex-husband with whom she shares two children. She is currently on her third marriage to a man named Val Torres Jr who is a construction contractor and amateur race car driver. When Lynsi is not acting as the reclusive billionaire owner of In-N-Out burger, she can be found on the competitive drag racing circuit. She and her husband live in a seven bedroom 16-bathroom, 16,000 square foot mansion in Bradbury, California that cost $17.4 million.