This week Chad Doak was promoted to Henry County Chief Deputy. Doak started his career in law enforcement as a reserve deputy in 1992. In 1993, he worked as a part-time jailer becoming full time in 1994. He was named a deputy sheriff in 1995. He is only the third person to hold the position in the county since 1984. Doak was sworn in by District Court Judge Wyatt Peterson Tuesday.