Prof Greg Leigh is Chair of the Royal Institute for Deaf and Blind Children (RIDBC) Renwick Centre. This Centre has been established by the RIDBC and is affiliated with the University of Newcastle. The Renwick Centre undertakes research and provides programs of postgraduate study in the education of children with impaired hearing or vision. Prof Leigh is also Director of the Centre for Special Education and Disability Studies at the University of Newcastle.

Prof Leigh holds degrees in Education and Special Education from Griffith University, a Master of Science (Speech and Hearing) degree from Washington University (Central Institute for the Deaf) in the USA, and a PhD in Special Education from Monash University. He is a Fellow of the Australian College of Educators (ACE).

Prof Leigh has previously held a variety of positions in the education of deaf children and worked as a curriculum consultant in Queensland before entering academia. He was previously Course Coordinator for the program in education of the deaf at Deakin University and has held the position of International Visiting Scholar at the National Technical Institute for the Deaf, Rochester Institute of Technology, New York. He is a member of the executive management team of the Royal Institute for Deaf and Blind Children.

Prof Leigh has published numerous articles, chapters, and monographs on aspects of education of deaf children, including a co-edited book with Prof Des Power titled Educating Deaf Students: Global Perspectives. He is a member of the Editorial Board of Deafness and Education International and Phonetics and Speech Sciences. Prof Leigh serves on numerous Australian government consultative committees on issues related to deafness and is Chairman of the Chairman of the Australasian Newborn Hearing Screening Committee. He is also Chairman of the International Steering Committees of both the Asia-Pacific Congress on Deafness (APCD) and the International Congress on Education of the Deaf (ICED).