She defeated incumbent representative
Rahn Mayo in the Democratic primaries in 2016, and went on to win the seat in
District 84 unopposed in the
2016 general election. According to Shannon, she ran for office "to fight for policies that truly support women, working people, and people of color" and has written about improving representation and of electing queer black women into public office. In her 2019–2020 term, she was appointed the Chair of the House Democratic Criminal Justice Reform Committee and is a member of the Governmental Affairs, Small Business Development, and Insurance committees positions she continued in for her 2021–2022 term, with the addition of the State Planning and Community Affairs Committee. She ran for
Lieutenant Governor of Georgia in the
2022 election. ==References==