Mikaeli Costello leads the alumni relations and engagement portfolio at The University of Queensland (UQ), overseeing alumni marketing and communications, programming and events, as well as UQ's annual fund and donor relations. Previous to this, Costello held a fundraising role at UQ's Queensland Brain Institute.

In addition to her roles at UQ, Costello has worked extensively in marketing, communications (internal and external), fundraising, and stakeholder engagement, within the public and private sectors nationally and internationally, including WorldSkills International, Dusseldorp Forum, and the United Kingdom Government.