His research at the Ear Science Institute Australia since 2001 has focused improving clinical practice, be it using telehealth, being better able to predict outcomes after hearing aids or hearing implants or using epidemiology to understand the risks for hearing loss.

Dr Eikelboom has published over 225 research papers and 12 book chapters and is closely involving the supervision and mentorship of post-graduate students.

Dr Eikelboom is the Deputy Director of Ear Science WHO Collaborating Centre for Ear and Hearing Care and is a member of Scientific Committee of the Busselton Population Medical Research Institute. He also has adjunct appointments at The University of Western Australia; the University of Pretoria, South Africa; and Curtin University, Perth.