Nathan is a Professor in the School of Health Sciences at the University of Northern British Columbia. He has conducted HIV and sexual health research across Canada and New Zealand with gay, bi and queer cis and trans men who have sex using interdisciplinary and community-based approaches. He previously worked at the University of Victoria and also served as the Research Director for the Community Based Research Centre from 2017-2025. He completed a CANFAR/CTN Postdoctoral Fellowship with the British Columbia Centre for Excellence in HIV/AIDS working on the original Momentum Health Study.