Office of the Sheriff


The Office of the Sheriff is responsible for providing executive leadership, direction, and administrative support to all divisions within the Robertson County Sheriff’s Office. This includes budgeting, organization, planning, research, program development, media relations, community affairs, etc. The Office of the Sheriff also works closely with the County Commission; federal, state, and local agencies and representatives; and the Tennessee Sheriff’s Association regarding areas of mutual concern. The Office of the Sheriff is comprised of Sheriff Bill Holt, Chief Deputy Michael Van Dyke, and the Executive Assistant/PIO Brad Edwards.

Sheriff Bill Holt

The Sheriff is charged with more statutory duties and responsibilities than any other elected or appointed official in the State of Tennessee. The Sheriff’s statutory duties encompass his common law duties and can be grouped into four broad categories: (1) keeping the peace, (2) attending the courts, (3) serving the process and orders of the courts, and (4) operating the jail. The sheriff is the conservator of the peace, and it is the sheriff’s duty to suppress all affrays, riots, routs, unlawful assemblies, insurrections, or other breaches of the peace. In addition, it is the duty of the sheriff to ferret out, detect, and prevent crime, to secure evidence of crimes; and to apprehend and arrest criminals. The Sheriff is also charged with patrolling the roads of the county. The Sheriff must furnish the necessary deputies to carry out these duties. T.C.A. §§ 8-8-213, 38-3-102, and 38-3-108. Sheriffs are equally responsible for all citizens of their respected counties regardless if they reside inside an incorporated city limits.

Sheriff Holt has over 50 years of Law Enforcement experience. He served 4 years with the USAF Air Police, 6 years as a Tennessee State Trooper, and 21 years at TBI where he retired as Deputy Director. Bill has been with the Robertson County Sheriff’s Office for over 20 years, serving 9 years as Chief Deputy until being elected Sheriff in 2010. Some of the schools Holt has attended include USAF Air Police Technical School, The FBI National Academy, Tennessee Law Enforcement Training Academy, THP Basic School and TBI Criminal Investigation School. Bill is a graduate of Middle Tennessee State University with a degree in Criminal Justice. He has also attended a broad spectrum of specialized schools covering all facets of Law Enforcement during his 50 year career. Bill Holt is a member and past president of the Tennessee Chapter of the FBI National Academy Associates. He is a member of the Springfield/Robertson County Chamber of Commerce, and the White House Chamber of Commerce. Bill is the coordinator of the Robertson County Coalition, a Charter Member of FOP Lodge 29, a member of the American Legion Post 45, New Chapel Men’s Club, and Vice President of the Greenbrier Athletic Club. He serves as an usher at Northridge Church.

Sheriff Holt was elected in 2012 to the Tennessee Sheriff’s Association’s Board of Directors and served as the Vice President of District III, Chairman of the Jail Committee, and a member of the Legislative Committee. In August 2014, Sheriff Holt was elected as President of the Tennessee Sheriffs’ Association. In 2017, Sheriff Holt was named Sheriff of the Year by the Tennessee Sheriffs’ Association, and was also voted Best Elected Official in Robertson County. Bill was married for 33 years to his “one and only sweetheart”, the late Wanda Alley Holt, daughter of former Sheriff Denzil and Jean Alley. Holt has one son, Brandt ,a Daughter-in-law Nancy, Granddaughter Avery and Grandson Paxton.

Chief Deputy Michael Van Dyke

The Chief Deputy serves as the Sheriff’s second in command and assists the Sheriff with the administration, control, and operation of the Sheriff’s Office. The Chief Deputy supervises all divisions of the Sheriff’s Office. He assumes the duties of the Sheriff in his absence and is the Sheriff’s emissary at functions, meetings, or events at his request.

Chief Van Dyke is a long time resident of Robertson County. He began his career in law enforcement at the age of 18 with the Robertson County Sheriff’s Office as a Reserve Deputy. He worked his way through college as a full time police officer with the Austin Peay State University Police Department and the Clarksville Ranger Division. Upon graduation from APSU with a Bachelor of Science Degree, he was appointed as the commander of the Clarksville Rangers. After the City of Clarksville consolidated the Ranger Division and the Police Department, Chief Van Dyke went to work for the Montgomery County Sheriff’s Office until his recent appointment.

Chief Van Dyke has spent the vast majority of his career in law enforcement management and administration. He has attended numerous specialized schools over his career, some of which are Law Enforcement Management and Administration, Command Decision, the University of Tennessee’s Municipal Management Academy, Internal Affairs, Tennessee Law Enforcement Executive Development, FBI Executive Leadership, Crime Prevention Through Environmental Design, and many others. Chief Van Dyke is also a graduate of Leadership Robertson County and Leadership Middle Tennessee.

He is an Eagle Scout, a honor graduate of Jo Byrns High School, and a Magna Cum Laude graduate of Austin Peay State University. Chief Van Dyke is married to Marissa Highsmith Van Dyke and has three children. He attends Cedar Hill Baptist Church. He is a member of the Tennessee Sheriff’s Association, National Sheriff’s Association, Robertson County Coalition, Robertson County Chamber of Commerce, and the Red River Masonic Lodge. Chief Van Dyke currently serves as the Warioto District Chair and Middle Tennessee Council board member for the Boy Scouts of America. He also serves on the board of directors for the Robertson County Chamber of Commerce.


Brad Edwards, Exec. Asst. | Public Information Officer

The Executive Assistant/Legal Advisor has many duties at the Sheriff’s Office. This position is responsible for much of the human resource functions of the Sheriff’s Office including receiving applications for vacant positions and scheduling various portions of the employment selection process with the applicants. This position handles the Sheriff’s Office payroll and maintains employee and personnel records. Additionally, he works with the District Attorney’s Office in conjunction with out-of-state law enforcement agencies to coordinate the extradition of wanted persons back to Tennessee. The Executive Assistant also assists the Sheriff and Chief Deputy with various administrative tasks including scheduling and media relations. As the Public Information Officer, Brad is responsible for handling all media inquiries as well as drafting and distributing all press releases for the sheriff’s office. Additionally, he assists in managing the social media outlets for the sheriff’s office including Facebook and Twitter. He also teaches a Legal Updates course during annual in-service training.

Lieutenant Brad Edwards has served with the Robertson County Sheriff’s Office for over eleven years.  Lt. Edwards started his career as a Corrections Officer before attending the Tennessee Law Enforcement Training Academy and becoming a Certified Police Officer.  Lt. Edwards served as a Patrol Deputy and Patrol Corporal while in the Patrol Division.

Brad holds numerous instructor certifications to include: Firearms, Taser, Defensive Tactics, Active Shooter, Leadership, and many others.  Brad holds a Bachelor of Science in Criminal Justice and a Masters of Business Administration (M.B.A.).  Brad is also a member of Grace Baptist Church where he, his wife Jill, daughter Kayla, and son Ashton attend.