[3] Prior to her election to the Assembly Berry worked as a community organiser for the United Voice (formerly called the Liquor, Hospitality and Miscellaneous Workers Union (LHMU)) trade union for more than 15 years representing workers and their families to win fairer wages and better conditions.

[4] She was active in the Clean Start campaign to improve jobs for cleaners in the CBD office cleaning industry and coordinated the Big Steps campaign to win professional wages for Early Childhood Educators in the early childhood education sector.

[6] Berry is a full-time working mother with two children who lives with her family in the West Belconnen suburb of Macgregor.

[7] In 2014 Berry was a member of the following Standing Committees: Public Accounts (PAC), Health, Ageing, Community and Social Services (HACS), Education, Training and Youth Affairs (ETYA) and Chair of the Planning, Environment and Territory and Municipal Services (PETAMS) Standing Committee.

[10] Following the ACT 2016 election, Berry was appointed Deputy Chief Minister in the re-elected Barr Labor Government.