As Treasurer, M. Scott Miller oversees an office with an annual operating budget of $1.3 million. His office handles over $372 million in county revenue. The Treasurer's Office is funded with state and local funding. He also serves as a member of Hanover's Other Post-Employment Benefits Trust Board.

He was originally elected Hanover County Treasurer in 1995. During his time in office he has saved taxpayers' money by improving customer service and focusing on operational improvement and cost cutting. Miller holds a bachelor's degree in accounting from Virginia Tech and has over 30 years of financial and governmental experience. He is a certified Master Governmental Treasurer (MGT) with the Treasurers' Association of Virginia. He actively participates in the Treasurers' Association of Virginia.

Miller has been a resident of Hanover County since 1985.