Marina has more than 15 years experience as a Nutritionist and an Accredited Practising Dietitian in clinical practice. Marina also has 20 years experience in Senior Project Management, initially in 'communications' for the corporate sector then in clinical nutrition science. As a Senior Project Manager/Research Fellow in nutrition science, between 2017 and 2019, Marina was responsible for >$1.5 million in industry funding, which contributed to dietary therapy research for gastrointestinal conditions at the Department of Gastroenterology, Monash University. 
Between 2010 and 2016, Marina worked as a Teaching Associate for the Department of Nutrition, Dietetics and Food at Monash University, and completed a PhD in 2016 with the Department of Gastroenterology at Monash University where she investigated the pathogenesis of infantile colic and the maternal diet of breastfeeding mothers.  
Marina has been involved in dietary therapy studies since 2012 and implemented numerous human clinical trials. Marina has presented at more than 35 national and international conferences, was the Lead Organiser for international scientific meeting Gastro-Diet 2017 at Monash University in Prato, Italy and member of the Organising Committee for Gastro-Diet 2015 at Monash University in Prato, Italy.

Between February 2019 and October 2020 Marina implemented a multicentre dietary intervention study funded by an NHMRC Grant of >$1.4M titled Shifting Weight using Intermittent Fasting in night shift workers (The SWIFt study) at the Department of Nutrition, Dietetics and Food, Monash University. Marina is now one of three Chief Investigators who in December 2020 was awarded an NHMRC New Ideas Grant of >$1.4 million over 5 years and is investigating food-derived bacteria and their role in treating disease.