Elizabeth Holmes, the Theranos founder who is serving an 11-year sentence for fraud, has described her life behind bars as “hell and torture,” in her first interview from prison, published in People on Wednesday.

In a Candid, Exclusive Interview, the Former Theranos CEO and Convicted Felon, Shares Her Life Behind Bars and Quest for Freedom in PEOPLE's Cover Story. (Exclusive)

Holmes is serving a reduced sentence at Federal Prison Camp Bryan in Texas for fraud and conspiracy related to the collapse of her biotech company.

Theranos founder and CEO Elizabeth Holmes has given her first interview since entering prison. Holmes maintains her innocence and said she plans to continue working in the health care tech space after she is released.

In a new interview, the Theranos fraudster said she pumped breast milk for her infant daughter as she was driven to her federal prison in Texas to surrender for her 11-year sentence.

Disgraced former Theranos CEO Elizabeth Holmes said it's been “hell and torture” behind bars during a rare interview from prison, revealing how her life has drastically changed since she has been locked up on fraud and conspiracy charges.

"I refused to plead guilty to crimes I did not commit. Theranos failed. But failure is not fraud," she said in a new interview, her first from prison.

It’s been hell and torture to be here” says Elizabeth Holmes in her first in-person interview in years. Once one of the tech sector’s most revered figures, Holmes’ story is one of a true fall from grace.