GradHack 2022: National Graduate Hackathon

5.30pm — 7.30pm , 17 November 2022
Online event

Watch the video submissions from our finalists and find out the winners of GradHack2022.


How can engineers create sustainable, long-term outcomes for the 2032 Brisbane Olympic Games?

That was the challenge our GradHack 2022 teams had 48 hours to solve and submit a video submission for judging by industry professionals.

We've compiled all the fantastic submissions received – watch them below. 


  • Winners: Green Stars – SAGE Automation and Bickford's Group
  • Runners up: Pollution Solution – Santos
  • People's choice: Kellogg Brown-Root Cereal – KBR
  • Arupians and Friends – Arup
  • WaSuP – WSP


Adrian Piani
Adrian Piani
Chief Engineer, ACT Government

Adrian Piani FIEAust CPEng EngExec NER is an Environmental Engineer with more than 20 years’ experience, predominately in the water resources, environmental and infrastructure sectors. In 2019 he joined the ACT Government to take on the role of ACT Chief Engineer where he provides strategic advice to government on infrastructure projects and supports the engineering cohort through the ACT Government Engineering Workforce Plan.

He is a Chartered Fellow and Engineering Executive of Engineers Australia. Adrian is a proud Canberran and is passionate about the role that infrastructure plays in supporting our wellbeing and quality of life.

Ariane Yu
Ariane Yu
Senior Project Engineer, John Holland Group

Ariane is a Senior Project Engineer with John Holland Group at the Redfern Station South Concourse Upgrade. She has been in the construction industry for more than 10 years working on major rail and transport projects across Sydney to Newcastle. She is passionate about supporting young engineers and empowering more women to work in construction.

John Robertson
John Robertson
Engineering Manager, John Holland Group

John is an Engineering Manager for John Holland. He has more than 15 years’ experience working on a number of infrastructure jobs covering heavy rail, light rail, tunnelling civil and mechanical and electrical, and station upgrades.

Dr Hooman Mehdizadeh-Rad
Dr Hooman Mehdizadeh-Rad
Mechanical Engineering Lecturer, Charles Darwin University

Dr Hooman Mehdizadeh-Rad MIEAust CPEng NER is a Mechanical Engineering Lecturer and Course Coordinator of Master of Engineering at the College of Engineering, IT and Environment of Charles Darwin University (CDU). He received the Young Mechanical Engineer of the Year award and the Sir George Julius Medal from Engineers Australia in 2022.

Hooman is Chartered in Mechanical Engineering and Project Management and his multidisciplinary research focuses on zero-energy buildings, heat mitigation in tropical cities and solar energy. He received his BSc and MSc in Mechanical Engineering and his PhD in designing thin film solar cells. He set up the CDU solar cell lab and fabricated the first NT organic solar cell in 2018 at CDU.

Hooman is the NT representative of Mechanical College in Engineers Australia. He has also taught different Mechanical Engineering and Project Management units and supervised thesis students at the College of Engineering, IT and Environment of CDU.