[3] Marley worked as a teacher at Marsh Valley High School for 23 years.
[4] In 2006, he ran against Jana Jones in the Democratic Party primary election for Superintendent of Public Instruction, and lost earning 44.6% of the vote.
[5][6] In 2014, Marley was unopposed for the Democratic primary for Lieutenant Governor of Idaho.
[2] The largest Democratic caucus in the nation happened during his tenure in Ada County.
[9] During Marley's tenure, Sally Boynton Brown served as the party's executive director.