Hemingway has served as assistant prosecuting attorney in Kalamazoo County since 2007, focusing on cases involving controlled substance and firearm offenses and violent crimes. She is the Kalamazoo Valley Enforcement Team prosecutor, playing a key role in launching the priority offender program, focused on prosecuting the most violent offenders. Hemingway serves on the boards of the Portage Community Center and Volunteer Kalamazoo. She was recently elected vice president of the Kalamazoo County Bar Association and she recently received the Kalamazoo Department of Public Safety Chief's Award of Excellence and the Carrie L. Klein Leadership Award.
Hemingway earned a bachelor’s degree from Hope College and a law degree from Western Michigan University Cooley Law School.
She fills the vacancy created by the resignation of Judge Robert Kropf. She must seek election in November 2018 to fill the remainder of the term.