Di Mantell loves to achieve the impossible and break down stereotypes. Di Mantell’s leadership philosophy combines purpose, perseverance, and partnerships to achieve the seemingly impossible. Di is the Chief Executive Officer of Celsus in Adelaide, South Australia.

Celsus is the consortium that manages and maintains the world-leading Royal Adelaide Hospital under a public-private partnership framework with the South Australian government.

Di has held several roles, from ballroom and Latin American dance instructor to Executive Director of Nursing in Kalgoorlie, General Manager of the largest (hospital) services contract at Fiona Stanley Hospital to Chief Executive Officer of Celsus, the 1st public-private partnership in South Australia.

Di’s achievements include, in July 2021, delivering the refinancing of the $2.2bn RAH with the 1st healthcare sustainability loan globally, the 1st sustainability loan in Australia, the largest healthcare ESG loan in the Asia Pacific, and the largest Di is a Mentor for Mentor Walks, a judge for the Telstra Best of Business Awards in 2022 and 2023, and a former Mentor for the Australian Mental Health Leaders Fellowship Programs. She is an Australian Institute of Company Directors graduate and Board Director.