Dr Ehrlich completed his medical degree in 1977 at Monash University. The following year he worked as an intern at The Royal Canberra Hospital. During 1978 to 1980, Dr Ehrlich was awarded an NHMRC Postgraduate Scholarship, enabling him to complete a PhD on the topic of Visual Neuroscience, at the Australian National University (ANU).
In 1980, Dr Ehrlich was able to spend 10 months at the prestigious Max Planck Institute, at Gottingen, Germany
From 1980 to 1991, Dr Ehrlich was appointed Lecturer, then Senior Lecturer, in the Department of Anatomy at Monash University. He lectured in both general anatomy and neuroscience. In addition to teaching, David authored over 60, refereed, publications in the fields of visual and developmental neuroscience. Dr Ehrlich supervised over 20 postgraduate students; Honors, Masters, and PhD candidates.
In 1986, Dr Ehrlich was awarded a CIBA Foundation Fellowship to attend a conference in London on Neuronal Cell Death. He later spent a short period at Lund University, Sweden, in the laboratory of Professor Anders Bjorklund, a world leader in neuronal transplants of the brain.
In 1986 to 1987, Dr Ehrlich completed a Sabbatical, as Professorial Fellow, at the University of San Diego (USCD), in the laboratory of Professor Harvey Karten. Professor Karten is a pioneer in the understanding of brain organization and evolution.
In addition to clinical work, Dr Ehrlich has been Honorary Senior Lecturer in Anatomy, Monash University, from 1991 to 2013. He has also been Examiner in Anatomy for the College of Ophthalmology (1996 – 20004). Dr Ehrlich also provides lectures and tutorial to Medical Students in the rural training program, and at Box Hill Hospital.
David has not allowed Ophthalmology to consume his life. With his wife, Allison, he has developed an olive grove in Krowera, in South Gippsland. They regularly produce award winning extra virgin olive oil. David is also a keen wood turner and photographer.