Tennille is the director of a team of entertainers on the Central Coast called Rock Sloth. She has an extensive background in performance, clowning, balloon twisting, and a degree in Seconday English/Drama teaching (BA Arts/Teaching with Honours). Tennille has previously taught at Ozjam in 2016 and Balloon Retreat in 2015. She is internationally qualified as a Certified Balloon Artist (CBA) with Qualatex and has been an examiner for the CBA practical test in 2017