In 1987, Twomey started her career as a legal practitioner by first serving as a barrister in the Ocean Gate Law Centre. She has also worked in the Attorney General’s Chambers and as an attorney-at-law in private chambers. She was one of the selected members of the Constitutional Commission who were instrumental in drafting the Constitution of the Third Republic between 1992-1993.[4][9] In 1996, she also worked as regional coordinator for Multiple Sclerosis Ireland, upon moving to Ireland in 1995.[10]
On 13 April 2011, she became the first female judge in Seychelles after she was sworn in as a non-resident judge;[10] and on 18 August 2015, she also became the first woman to be appointed Chief Judge of the Supreme Court of Seychelles after she was sworn in at the State House, Victoria, succeeding Frederick Egonda-Ntende.[11][12] Her mandate as Chief Justice ended in September 2020.[13]
Published books
Legal Métissage in a Micro-Jurisdiction: The Mixing of Common Law and Civil Law in Seychelles (2017)[14]
