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 four charges, including conspiracy to commit fraud against investors and three counts 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.
She faced 11 charges in total and was found not guilty of four charges relating to defrauding the public.