According to WISH-TV, Rodman resigned to "spend more time with his family." The timing of this resignation, roughly 11 months before the end of his term, is very curious. I won't speculate beyond what Rodman told WISH-TV.
The soon-to-be former Treasurer was barred by the Indiana Constitution from seeking reelection. One of his Chief Deputy Assessors, Tom Creasser, is the only Democrat filed so far to run for the office in 2012. He is expected to have Primary competition.
Rodman has shepherded the Treasurer's Office through a very challenging seven years. With the problems with property tax assessment, the freeze by Mitch Daniels of all assessments and the time it took to reassess the land in the County all delayed the collection of the taxes and the opportunity to invest the city's money while getting it to the correct entities in the county. His expertise as a banker really helped him be a very successful Treasurer and elected official in his time in office.
Rodman also briefly ran for Congress in 2008 as one of the Democrats that pursued the slating nod in January of that year. He lost to Andre Carson. As Treasurer, Rodman was a member of the Marion County Commissioners with Auditor Billie Breaux and Assessor Joe O'Connor.
I wish Rodman well, and I hope to catch up with him soon.
I believe a caucus of Democratic Precinct Committeepersons must select a new Treasurer.