Dr. Brealey has over 30 years of experience in onshore and unconventional oil and gas asset exploration and development with companies including Amoco Limited, Santos Limited, Beach Energy Limited and Cooper Energy Limited.

Dr. Brealey became interim chief executive of Whitebark Energy in April 2021. Prior to that, he was head of new ventures at Bass Oil.

He holds a Ph.D. in oil field geology from the University College, University of London.