Emlyn is Lecturer in Classical Studies at the Institute of Classical Studies, University of London. He was Assistant Director for Archaeology at the British School at Rome from 2021–23, and also holds Research Affiliate positions at the Australian Archaeological Institute in Athens, is an Honorary Fellow at Macquarie University and an Elected Fellow of the Society of Antiquaries London and the Royal Historical Society. He has accumulated over $650,000 in competitive funding and awards for his research, including from the British Academy, Leverhulme Foundation, Australian Academy of the Humanities, British School at Athens, Macquarie University, and the Australasian Society for Classical Studies.

Emlyn co-directs the Falerii Novi Project, including major excavations at the Roman urban centre of Falerii Novi in central Italy. He also directs a survey project in the Cyclades, investigating the production of wine and oil, with a focus on the identification and distribution of agricultural technology and knowledge in the Classical to Late Antique eras. He is an active collaborator with the Antiochia ad Cragum Archaeological Research Project (Gazipasa, Turkey) and has previously worked at Delos, the Athenian Agora and Acropolis (Greece); Pompeii, Oplontis, Carsulae and in Sicily (Italy).

Emlyn is also a passionate student equity advocate, practitioner and researcher and has worked closely with widening participation and equity programs at the University of Technology Sydney.