Range Resources Ltd.’s board of directors said Jan. 27 that Yan Liu resigned as CEO and Trinidad general manager, effective Jan. 31.

Lijun Xiu was appointed as Trinidad general manager, effective immediately. Currently, Xiu is the Trinidad deputy general manager, the U.K.-based company said.

The board will consider replacing Liu as CEO, and has allocated his duties to the senior management team.

Liu will remain as a non-executive director on the board to advise on Trinidad operations.