Janna obtained her master's in physiology from the University of Western Ontario in 1998 and her PhD in reproductive and developmental sciences from the University of British Columbia in 2001. She has been funded as a fellow by the Heart Foundation (2004-13), NHMRC (2014-17), and ARC (Future Fellow, 2018-2021). She has authored >241 peer-reviewed publications, cited over 11,000 times with an h-Index of 44 (Scopus). Janna was the inaugural Director of Health and Biomedical Innovation (2019-2024) at the University of South Australia and is now the Deputy Director (2024-present). She is Head of the Early Origins of Adult Health Research Group. She is a Fellow of the Cardiovascular Section of the American Physiological Society. She was awarded the Australian Physiological Society Medal Lecture in 2022 and the Joan Mott Lecture Prize (Physiological Society UK) in 2023. She is a Reviewing Editor for the Journal of Physiology and Editor of Themed Issues for the Journal of the Developmental Origins of Adult Health.