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

Blacklock replaces Nathan Hecht, the longest serving justice on the high court. Gov. Greg Abbott also appointed his general counsel, James Sullivan, to the bench.

Gov. Greg Abbott appointed Texas Supreme Court Justice Jimmy Blacklock to be the court’s chief justice and named James Sullivan as a justice Monday. Blacklock succeeds Nathan Hecht, the state’s longest-serving Supreme Court 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.