Theranos founder Elizabeth Holmes has been convicted of defrauding investors after a months-long landmark trial in California.
Prosecutors said Holmes knowingly lied about technology she said could detect diseases with a few drops of blood.
Jurors found Holmes guilty of conspiracy to commit fraud against investors and three charges of wire fraud.
She denied the charges, which carry a maximum prison term of 20 years each.
Holmes was not taken into custody, with no date confirmed yet for sentencing and a further hearing scheduled next week.
Journalists inside the courtroom said the 37-year-old, who gave birth to her first child last year, showed little emotion when the verdicts were read out, and hugged her husband, Billy Evans, and her parents before leaving the courtroom.
