She held this post since 28 March 2019 when, at age 21, she became the youngest person to serve in that capacity.
[1] In 2019, aged 21 years old, Johnson ran for election to a seat on the Island Council of Saba.
[1] Her campaign focused on the issues of youth empowerment, education and women's rights.
[3] In June 2021, Johnson visited the Netherlands as part of a delegation from Saba Island.
[4] In September 2021, she was part of a delegation that visited Bonaire where members of both island councils discussed issues such as access to medical care.