[1] Reinert spent 6 years (2011–2016) serving on the Minnesota Senate, where he represented District 7, which included St. Louis County.

[2] Reinert is a licensed attorney, owns a consulting firm, and teaches at the College of Saint Scholastica in Duluth.

Reinert began a political career when he was appointed to the Duluth City Council on January 12, 2004, filling the seat vacated by Herb Bergson, who had been elected mayor.

[7] Upon his return in 2019, opened a legal and consulting firm, Reinert & Associates, where he acts as an attorney and managing partner.

In March 2020, amidst the start of the COVID-19 pandemic, Reinert was deployed to Italy as part of an anti-virus crisis communications team.

[8] Reinert served as the Interim Executive Director at the Duluth Entertainment Convention Center (DECC) from June 2020–May 2021.