Elizabeth Holmes is a former Silicon Valley entrepreneur who founded the blood-testing startup Theranos and was later convicted of fraud for deceiving investors and patients about what the company’s technology could actually do. She went from being hailed as a visionary billionaire CEO to serving an 11‑year federal prison sentence for wire fraud and conspiracy related to Theranos’s operations.

Who Elizabeth Holmes Is

Elizabeth Holmes (born 1984) is an American ex–tech founder who created Theranos, a health‑technology company that claimed it could run hundreds of lab tests from just a few drops of blood. At her peak, she was promoted as a groundbreaking young innovator and was briefly labeled the youngest self‑made woman billionaire on paper due to Theranos’s multibillion‑dollar valuation.

What Theranos Claimed

Holmes pitched Theranos as a way to revolutionize blood testing with tiny finger‑prick samples instead of traditional draws. The company said its proprietary devices could quickly and accurately run a large menu of tests in pharmacies and clinics, promising cheaper, faster, and more accessible diagnostics.

What She Actually Did

Investigations later showed the devices largely did not work as advertised, and Theranos often used conventional machines from other manufacturers while still marketing results as coming from its own technology. Regulators and journalists found serious accuracy problems, meaning many of the millions of tests Theranos processed may have given patients misleading or incorrect medical information.

Fraud Charges and Conviction

Holmes was charged with multiple counts of wire fraud and conspiracy tied mainly to misleading investors about Theranos’s technology, business performance, and partnerships. In January 2022 a federal jury found her guilty on several counts of wire fraud and one count of conspiracy, involving roughly $145 million in investor money, while acquitting her on some other charges and deadlocking on the rest.

Sentence and Where She Is Now

In November 2022 Holmes was sentenced to 11 years and 3 months in federal prison, plus three years of supervised release, and ordered (along with her former partner Sunny Balwani) to pay hundreds of millions of dollars in restitution. She began serving her sentence in May 2023 at a minimum‑security federal prison camp in Bryan, Texas, where she remains while her case and public image continue to be widely discussed in books, podcasts, and dramatized series like The Dropout.