[2] Adamson was admitted to the New South Wales Bar in February 1989 at the relatively young age of 26.
She attained senior counsel status in 2003, and was appointed chairperson of the Council of Law Reporting for New South Wales in 2004.
She represented officers of a failed insurer before the HIH Insurance Royal Commission and was counsel assisting the Independent Commission Against Corruption in their investigations of state MPs Karyn Paluzzano and Angela D'Amore.
[4][5] The sentences were quashed on 25 February 2019 by the Court of Criminal Appeal, which held that Adamson had not properly directed the jury.
[6] Adamson is the daughter of former South Australian state MP Jennifer Cashmore.