FMC Technologies has appointed Kay Priestly, former chief executive officer of Turquoise Hill Resources, to its board of directors, effective October 2, 2015.

Priestly retired from Turquoise Hill in December 2014. She became CEO in May 2012 after serving as a senior executive of Rio Tinto where she was chief financial officer of the company’s global copper product group. She joined Rio Tinto in 2006 as CFO of its Kennecott Utah Copper operations.

Priestly spent more than 24 years with global professional services firm Arthur Andersen where she provided tax and consulting services to global companies in the energy and mining sectors and was a member of the company’s global executive team.

Priestly currently serves on the board of directors for New Gold Inc. and Stone Energy Corporation where she serves as chairwoman of the Audit Committee.

She holds a bachelor’s degree in accounting from Louisiana State University.