Blacklock is replacing retired Chief Justice Nathan Hecht, while Abbott's legal adviser James Sullivan takes the open spot on the bench.

Justice Jimmy Blacklock, a conservative ally of Gov. Greg Abbott, has been named the new chief justice of the Texas Supreme Court.

Gov. Greg Abbott (R-TX) appointed Justice Jimmy Blacklock, a conservative ally of the governor, to serve as the chief justice on the Texas Supreme Court. Blacklock will replace Nathan Hecht, the state court’s longest-serving justice,

Hecht is the longest-tenured Supreme Court justice in Texas history. He won six reelections and led the court as chief justice for more than a decade.

Abbott originally appointed Blacklock to the high court as the Place 2 justice in 2018. Abbott's general counsel James Sullivan will replace Blacklock as a new justice.