Chad Gregory Chronister (born 1967/1968)[1] is an American law enforcement officer and politician who has served as the sheriff of Hillsborough County, Florida since 2017.

Chronister's maternal grandfather, Jack Bentivegna, lived nearby and served as a father figure.

[1] He graduated from Saint Leo University, receiving a Bachelor of Arts in criminal justice and a Master of Science in criminology.

[2] Chronister has served in the Hillsborough County Sheriff's Office since 1992, beginning his career as a patrol deputy and SWAT operator.

[4] As sheriff, he is the co-chairman of the Regional Domestic Security Task Force for Region IV Tampa Bay; vice-chairman, Hillsborough County Public Safety Coordinating Council; and vice-chairman, Hillsborough County Public Schools Oversight Committee.