Following the 2015 provincial election she served as Minister of Children, Seniors and Social Development[3] until moving to Service NL in a 2017 cabinet shuffle.
[4] In April 2018, Gambin-Walsh confirmed she was one of the MHAs who filed a complaint against Cabinet Minister Eddie Joyce accusing him of bullying and harassment.
Other allegations of bullying and harassment followed Gambin-Walsh's and the issue turned into a major political scandal.
[9][10] On September 9, 2020 the RCMP stated that Gambin-Walsh broke cabinet confidentially by leaking information to Paul Didham, a senior police officer with the Royal Newfoundland Constabulary.
[11] The RCMP stated that Gambin-Walsh would not be charged criminally as no one benefited from the information; however Premier Furey did not reappoint her to cabinet.