Mihelakos began working as a volunteer for Melbourne radio station
3RRR when she was 14, helping with administration, compiling gig guides, and meeting band managers. Through these connections she began booking bands for the
Punters Club at 17, before moving to the nearby Evelyn Hotel. She studied media and journalism at
Swinburne University of Technology and during her first year became manager for
The Earthmen. Mihelakos licensing the Aussie BBQ brand to Sounds Australia, and handed the event to them in 2013. Beginning in 2013, Mihelakos founded and produced the annual music festival Leaps and Bounds for
City of Yarra. The venue was reopened in 2021 with the Ballroom Blitz, a three-day music festival created by Mihelakos and venue director Will Ewing. ==Awards==