[1][2] While in school, she worked for the Democratic Party presidential primary campaign of New York mayor John Lindsay.

[6] In February 1985, Governor Tony Earl appointed her to a vacant Wisconsin circuit court judgeship in Marathon County.

[7] In April 1994, Chief Justice Nathan Heffernan announced he would not stand for re-election in 1995, and would therefore retire from the court later that year when his term expired.

Bradley continued to emphasize her independence from politics in the general election campaign, though by then she had also picked up the endorsement of prominent liberal judges in the state and the Wisconsin Education Association Council teachers' union group.

Bradley stated that Prosser had choked her: "The facts are that I was demanding that he get out of my office and he put his hands around my neck in anger in a chokehold."

[13] The state Judicial Commission told its special prosecutor not to pursue new avenues to forward its ethics case against Prosser.

[14] Scott Walker's administration was also dogged through its first term with a John Doe investigation into his campaign fundraising.

"[15] Bradley faced a contested election in 2015, but prevailed with nearly 60% of the vote over Rock County circuit judge James P.

A year later, however, Bradley announced that she will not seek re-election in 2025 and will retire when her current term expires on July 31, 2025.

Mark's father was John Bradley, known for being one of the servicemen depicted in the famous photo Raising the Flag on Iwo Jima in World War II.

[5] Bradley is an elected member of the American Law Institute, a former associate dean and faculty member of the Wisconsin Judicial College, a former chair of the Wisconsin Judicial Conference, a Democrat[18][19][20] and a lecturer for the American Bar Association's Asia Law Initiative.