Din Tuttle was appointed District Court Magistrate in October of 1997. She presided over the delinquency docket for three years and then in the Family Court, hearing dependency & neglect and domestic relations cases. In January 2009 she became a district court judge. She currently mainly presides over civil and mental health matters as well as serves as the alternate water judge of Division 1.

Judge Tuttle graduated from the University of Denver Law School in 1982. She served as a public defender in Adams, Weld and Larimer Counties before going into private practice in 1990.

Judge Tuttle was the recipient of the 2007 Colorado Judicial Institute Magistrate of the Year award.