Ilias Anagnostopoulos was admitted to Bar in 1981 (Athens). He received his education at the National and Kapodistrian University of Athens, School of Law (JD, 1978) and the Goethe University of Frankfurt am Main, Germany (Dr. juris, 1982). He was awarded the Tsirimokos Prize by the Hellenic Criminal Bar Association (1987).

Ilias chairs the Hellenic Criminal Bar Association (July 2013-) and is a Professor emeritus of criminal law and criminal procedure at the School of Law, National and Kapodistrian University of Athens. He has been a member of the Law Commission on the new Greek Criminal Code (2015-2019) which entered into force in July 2019.

Ilias has appeared as lead counsel in prominent criminal cases in Greece during the past 30 years and has extensive experience in all types of business crime, financial fraud, insurance fraud, healthcare fraud, procurement fraud, tax and customs fraud, insider dealing and market abuse, medical malpractice, product criminal liability, environmental liability, art crimes, money laundering, corrupt practices, anti-competitive practices and cartel offences, corporate criminal liability, anti-terrorism, breach of sanctions, European criminal law, extradition, mutual assistance and alternatives.