Marlon Yarber was appointed Sacramento County Chief Probation Officer in October 2021. He began his career with Sacramento County Probation as Assistant Chief Probation Officer in December 2013. He provided oversight of Adult Operations between 2013 and 2018 and then transitioned to Juvenile Operations. Before joining Sacramento County, Yarber served as Deputy Probation Officer for the Stanislaus County Probation Department working with gangs and high-risk adult offenders.
He transitioned to the state and worked for the State of California, Office of Criminal Justice Planning overseeing the landmark Juvenile Accountability Block Grant. He was later appointed Deputy Director for the Corrections Standards Authority overseeing a variety of federal and state initiatives in California including Juvenile Justice Realignment. In 2011, Yarber returned to community corrections as the Assistant Chief and Interim Chief Probation Officer for the Yolo County Probation Department. In the same year, he was awarded the Kirkpatrick Professional Development Award in recognition of his work to reduce disparities in the criminal justice system. He moved to Sacramento County Probation in 2013.
Yarber was a 2016 Annie E. Casey Foundation nominee and holds certifications in leadership and facilitation and a Bachelor's Degree in Psychology from the University of California, Davis.