Prior to joining UNSW in 2015, she worked in multidisciplinary research projects in government and academic institutions including the School of Physics and Australian Key Centre for Microscopy & Microanalysis at the University of Sydney and National Measurement Institute, Australia (NMIA). While at NMIA as a Research Scientist, she conducted and led various Optical Standards and Nano-metrology projects focusing on establishing and maintaining the capabilities underpinning the delivery of measurement services for industry, government and to the research community.

She has also worked in several international research labs: Charles Fabry Laboratory, University d’ Orsay, France; Department of Applied Physics, Osaka University; National Measurement & Standards Laboratory, NRC, Canada; Department of Optics, National Institute of Astrophysics, Optics and Electronica, Mexico and Mechanical Engineering Laboratory, Tsukuba, Japan.

Dr Roy holds numerous memberships with professional societies nationally and internationally, notably a member of Optical Society of Australia, a Fellow of Optical Society of America, Member of the International Society for Optical Engineering, a member of Optical Society of India, a member of Australian Microscopy and Microanalysis Society and an Australian Standards Committee member for eye and face protection standards.