Aaron is currently a Visiting Post Doctoral Researcher at the University of Cambridge and is also an adjunct researcher at both the University of Western Australia and Western Australian Museum. Aaron was Senior Lecturer of Palaeontology and Biostratigraphy/Adjunct Senior Lecturer at Curtin University, Western Australia from 2013 to 2017. Aaron had a Visiting Fellowship at Clare Hall, University of Cambridge, UK in 2014, collaborating with the Sedgwick Museum of Earth Sciences, and is now a Life Member.
After completing his BSc in Geology from Kingston University, specialising in mineral deposits and petroleum geology, and his MSc in Palaeobiology at the University of Bristol, Aaron gained his PhD in echinoderm taphonomy and palaeoecology from the University of London (Birkbeck College & University College London) in 2006.
Aaron has completed Postdoctoral Fellowships at the University of Burgundy, France (CNRS), University of Tokyo, Japan (Royal Society JSPS Fellow and JSPS Bridge Fellow) and University of Göttingen (DAAD), furthering his research into both fossil and extant echinoderms including crinoids (sea lilies) and asterozoans (starfish and brittle stars). In 2010 Aaron was appointed Senior Lecturer at the PETRONAS University of Technology, Malaysia where he established the Malaysian Centre of Palaeobiodiversity (MCPB) and was Deputy Director of the South East Asia Carbonate Research Laboratory (SEACARL), supervising MSc and PhD students and was course director for the undergraduate Palaeontology and Physical Geology courses. During this period he held a short term fellowship at NESCent, Duke University USA and was a visiting associate at the American Museum of Natural History.