The USCOSA Committee helps bring together graduates and former students to continue the sense of community with the college. The USCOSA Committee members are:

  • Sheida Afshar (’22)
  • Amielle Ballestrin (’21) Secretary
  • Sol (’18)
  • Joseph Bojcevski (’22)
  • Amy Brooks-Birve (’17) Treasurer
  • Lilly Deluca ('16)
  • Callum Di Sario (’12) Chairperson
  • Chloe Koh (’22)
  • Sarthak Mehta  ('20)
  • Ella Onofrio (’21) Secretary
  • Lorelie Owens (’22)
  • Meg Polley (’20)
  • Aidan Rigoni (’13) Vice- Chairperson
  • Eleni Sarantou (’20)
  • Kelsie Suter ('20)
  • Vanessa Grave (Ex-Officio)
USC Old Scholar

Sheida Afshar

Sheida is a 2022 USC graduate and is a member of the USCOSA Committee. She currently studies a Bachelor of Engineering (Honours) Electrical and Electronic with a Bachelor of Science (Physics) at The University of Adelaide. Sheida works as a swimming and water safety instructor, as well as a tutor

USC Old Scholar

Amielle Ballestrin (Class of 2021) Secretary

Amielle is currently studying Medical Radiation Science (Radiation Therapy) at the University of South Australia. With future experience as a member of the USCOSA committee, she hopes to foster a memorable school experience for current students similar to her own

USC Old Scholar

Sol (Class of 2018)

Sol graduated from USC in 2018 and then completed a Bachelor of Laws (LLB) at The University of Adelaide.


USC Old Scholar

Joseph Bojcevski (Class of 2022)

Joseph graduated from USC in 2022 and is now undertaking a double degree in Chemical Engineering (Honours) and Mathematical & Computer Sciences. By being part of USCOSA committee, Joseph aims to stay connected to the school and help create an engaging community for students and Old Scholars. Outside of his studies, Joseph enjoys soccer refereeing and playing the guitar.

USC Old Scholar

Amy Brooks-Birve (Class of 2017) Treasurer

Amy is the Treasurer of the USCOSA Committee and a Member of the USC Council. She studied a Bachelor of Mathematical and Computer Sciences and Finance at The University of Adelaide following her completion at USC. Amy currently works at Accenture in Cloud Consulting, using both of her areas of expertise – computer science and finance. Outside of work she also plays for Sturt in the SANFLW which USC have proudly supported since she started.

Lilly Deluca

Lilly Deluca (Class of 2016)

Lilly graduated from USC in 2016 and has since recently graduated from the University of Adelaide with a Bachelor of Laws and Bachelor of Science. She is the recipient of a New Colombo Plan scholarship and has spent the past year living in Singapore and Bangkok, completing internships in the private sector and at the United Nations, and studying Asian languages. When Lilly returns to Australia, she aspires to join the legal profession.

Callum DiSario

Callum Disario (Class of 2012) Chairperson

Callum has been sitting on the USCOSA Committee since 2015 after finishing his tenure as Chairperson in 2018. Having graduated from USC in 2012, he earned a Bachelor of Laws (Honours) in 2017 that carried him into work in the public sector and also into volunteering. However, Callum is currently on a year-long sabbatical in Italy, where most of his days revolve around cooking and drinking espresso. At this rate, he says he might never come back.

USC Old Scholar

Chloe Koh (Class of 2022)

I graduated from USC in 2022 and am currently taking a gap year in hopes of gaining some experience beyond my studies, where I was fortunate to receive several volunteer and work opportunities across a diverse range of fields. As a member of USCOSA, I hope to help many students like me in achieving their goals and having a rewarding high school experience, in the same way that USC has done for me.

USC Old Scholar

Sarthak Mehta (Class of 2020) Co-Chairperson

I am currently studying Bachelor of Clinical Science/Doctor of Medicine at Flinders University and have been involved in translational cancer research. Outside of my studies, I enjoy playing soccer and going to the gym. Further, being involved in USCOSA, I aim to help USC students achieve their highest potential both academically and in extracurricular activities.

Ella Onofrio

Ella Onofrio (Class of 2021) Secretary

Ella is currently undertaking a double degree in Laws (LLB) and Health and Medical Sciences, majoring in Public Health. She is inspired by the intercept between the disciplines of law and science. After graduating from USC in 2021, Ella is eager to contribute to the USCOSA Committee after they assisted her during her time at USC. She enjoys collaborating with other old scholars to enhance the learning journeys of current students.  

USC Old Scholar

Aidan Rigoni (Class of 2013) Vice-Chairperson

Aidan is the Vice Chair of the USCOSA, having graduated in 2013. He studied a Bachelor of Mechanical Engineering (Honours) and a Bachelor of Finance at The University of Adelaide. He currently works for the professional services consulting firm, Accenture in Technology Consulting/Program Management.


USC Old Scholar

Eleni Sarantou (Class of 2020)

Eleni graduated from USC in 2020 and is studying a double degree in Laws and Arts (Advanced) at The University of Adelaide. She looks forward to helping old scholars stay connected with USC. Outside of her studies, Eleni volunteers at a community justice centre and works as a disability support worker

Vanessa Grave

Vanessa Grave, Director of Marketing and Community Relations (ex-officio)

Dip T, B Ed, B Bus, M Arts (Communication)

Vanessa commenced in her role as Director of Marketing and Community Relations at USC in August 2019. She has extensive experience in Education and Marketing in school communities. Vanessa is delighted to join the USC team and is passionate about promoting the benefits of the USC learning experience as well as supporting the Old Scholars’ Association. She looks forward to meeting and working with a wide variety of Old Scholars’ to help them stay connected with USC.