• Management

Prof. John Hayball

PhD Chief Scientific Officer

Prof. John Hayball is leading immunologist and organic chemist, he heads the Experimental Therapeutics Laboratory at the University of South Australia where Sementis conducts and coordinates all its research and development activities. 

John is focused on cross-disciplinary collaboration leading to productive translational outcomes in human health, by strategically engaging with research academics, clinicians and industry partners to form integrated research programs with the capacity to address challenging health questions. He has a long history of industry engagement, including biotechnology consultancies, commercial research funding and funding from industry-leveraged federal government schemes. 

John completed his training in California’s biotech industry and at Imperial College London. His fundamental interest is in translating novel immunotherapeutics to counter emerging infectious disease threats, to re-educate the immune system in allergic disease, and to harness the immune system to treat and prevent cancer. This underpins his contributions to the company’s research and development programs. In partnership with Sementis Ltd, his team at the Experimental Therapeutics Laboratory at the University of South Australia has been instrumental in pioneering the SCV platform technology. He has an intimate knowledge of the design and construction of SCV-based vaccines and evaluation of their performance in complex preclinical disease models. 


  • Lecturer/Senior Lecturer/Associate Professor/Professor at the University of South Australia
  • Adjunct Associate Professor in the School of Medicine at the University of Adelaide
  • Affiliate Professor in the Future Industries Institute at the University of South Australia
  • Chief Scientific Officer at Sementis Ltd


  • Bachelor of Science in Organic Chemistry and Biochemistry from the University of Adelaide
  • Diploma in Molecular Biology from Imperial College London
  • Doctor of Philosophy in Immunology from Imperial College London