Elizabeth Holmes – Net Worth $4.6 Billion The world’s youngest self-made female billionaire, Elizabeth Holmes and her diagnostics firm Theranos developed a blood collection device. Her current net worth is reportedly $3.6 billion. Advertisement Tweet Pin It Related Posts Marie Besnier Beauvalot – Net Worth $2.5 Billion – No College Degree Lee Seo-Hyun – 41 Years Old – Net Worth $1.3 Billion Perenna Kei – Net Worth $1.3 Billion