[3] Until her consecration as a bishop, Alexander served as Dean of Edmonton and Rector of All Saints' Cathedral.

On 26 January 2020, Alexander announced her resignation as Bishop of Edmonton effective 31 July 2020.

[3] Alexander graduated from Newcastle University in 1980 with a Bachelor of Arts degree with honours, having completed a thesis on English liturgical music from 1370 to 1430.

[2][8] Before her ordination to the episcopate, she was involved in a movement to eliminate poverty in Edmonton caused by inequality.

She took leadership in a Call To End Poverty in Edmonton leading to coming up with concrete proposals on many fronts, including early childhood education, daycare, living wage, affordable transit and job training.

In January 2022, Alexander was appointed interim bishop for the Territory of the People, after Lincoln Mckoen resigned the See following allegations of misconduct.