Adele Harrison

Managing Associate


Adele is a barrister with a wide range of advocacy and investigations experience. She has worked on a number of high-profile international data breaches and regulatory investigations, working with forensics experts to help clients respond to cyberattacks.

Before joining Orrick, Adele worked for two years on a global investigation into allegations of fraud, bribery and corruption, resulting in settlements with the UK Serious Fraud Office, French Parquet National Financier, U.S. Department of Justice and U.S. Department of State.

Prior to her work in private practice, Adele practiced at the independent Bar for five years. She has experience in prosecuting and defending in a wide range of criminal law cases and has developed a practice focusing on fraud, white collar crime and regulatory law.

Adele has conducted secondments with the Serious Fraud Office and Crown Prosecution Service on high profile banking fraud cases, as well as internships with the International Criminal Court and the New York State Division of Human Rights.

    • Global investigation into allegations of fraud, bribery and corruption resulting in a deferred prosecution agreement of €3.6 billion, the world’s largest global settlement for bribery.
    • Bribery and corruption prosecution case alleging bribes for contracts in Iraq worth $800 million.
    • Advised on and prosecuted allegation of illegal practice for the General Dental Council.
    • SFO prosecutions of EURIBOR and LIBOR manipulation.
    • Operation Hornet prosecution of fraud over £200 million involving former HBOS managers.
    • Secured the discharge of an individual subject to a European Extradition Warrant.
    • Defence counsel in fraud trial and made successful submission of no case to answer.

    Please note, Adele's experience includes that prior to joining Orrick.