After obtaining a Bachelor of Communications and Culture from the University of Calgary, Nixon spent 15 years working in the not-for-profit and government sector.
On November 23, 2021, Nixon was appointed parliamentary secretary to the Minister of Community and Social Services for Civil Society.
[4] Danielle Smith, the recently appointed Premier of Alberta, said on October 21, 2022 that Nixon would be promoted to cabinet as Minister of Seniors, Community and Social Services.
[6] Nixon led the Calgary Public Safety and Community Response Task Force aimed at finding solutions to the ongoing addictions and homelessness crises in the city.
[6][7][8][9][10] Nixon also led the initiative to provide Alberta's 21,000 social workers an income top up of $330 million over three years.