Geoff Mill was appointed as principal to Sunnybank Hills State School in 2009. Prior to this he was the foundation principal at Edens Landing State School when it opened in 1997.

Over the previous fifteen years he was the principal at four other schools in Queensland at Yaraka State School, Jimna State School and Septimus State School. Geoff returned to Brisbane in 1989 as principal of Greenslopes State School. In 1996 he was a Quality Assurance Officer for Curriculum in the Metropolitan East Education Region.

Geoff has five children, one daughter and four sons. In 2009 they were aged 20, 17, 15 and twin 3 year old boys.