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Released by: Board of Supervisors
For Immediate Release

David Koch Named Chief Probation Officer

Santa Rosa, CA  –  April 18, 2016  –  David Koch The Superior Court of California, County of Sonoma, in conjunction with the Sonoma County Board of Supervisors, have approved David Koch as the County’s next Chief Probation Officer. Presiding Judges Ballinger and Marcoida made the appointment, with the concurrence of the Board. Mr. Koch was selected through a national recruitment to fill the vacancy created by the upcoming retirement of Bob Ochs.

The nomination and appointment of Mr. Koch are based on the recommendation of an interview team comprised of representatives from the Sonoma County Board of Supervisors and the Sonoma County Courts.  In Sonoma County, the Chief Probation Officer is a unique department head position, with the Juvenile Justice Commission nominating the candidate and the Presiding Judge of the Juvenile Court of Sonoma County appointing the candidate, though the position is paid by the County. 

“I am excited to support the promotion of Mr. Koch as the Chief Probation Officer,” said Board of Supervisors Chair Efren Carrillo. “In his role as Deputy Chief Probation Officer, Mr. Koch has advanced the use of evidenced based-practices to provide high quality services, and has played an instrumental role in the implementation of Public Safety Realignment in our County.” 

Starting in 1978, Mr. Koch worked in Corrections in Oregon, with the majority of that time focused on community-based corrections. He began his career as a Probation/Parole Officer in Clackamas County, and retired as the Assistant Director of Multnomah County Department of Community Justice in 2011. He has served as a Deputy Chief Probation Officer in Sonoma County for the last four years.

“I want to thank the Courts, Juvenile Justice Commission, and Board of Supervisors for the opportunity to serve this community as Chief Probation Officer,” stated Mr. Koch. “I am looking forward to working with the dedicated staff of the Probation Department and all of our Justice Partners to enhance the safety of our community through quality, cost-effective services that support the rehabilitation and reintegration of probationers.”

Mr. Koch is a graduate of Southern Oregon University with a Bachelor of Science in Criminology, and received his Masters in Justice Management from the University of Nevada, Reno. His family resides in Portland, Oregon. Mr. Koch’s employment contract will be on the agenda at the Board’s upcoming April 26, 2016, Board meeting.


Contact Information

County Administrator's Office
County of Sonoma
575 Administration Drive
Room 104A
Santa Rosa, CA 95403
38.464626, -122.725441