Professor Luis Vitetta

Director of Medical Research

Luis Vitetta Portrait

Luis Vitetta is Director of Medical Research at Medlab and Adjunct Professor at the University of Sydney, Sydney Medical School.

Luis's expertise includes probiotics, the human biome, nutraceuticals, nutrition, clinical trials, epidemiology', integrative and complementary medicine.

Between 2007-2013 Luis was the Director and Associate Professor of the Centre for Integrative Clinical and Molecular Medicine at The University of Queensland, School of Medicine. Luis is an Honours Graduate from Monash University (1981) in the Department of Biochemistry - Faculty of Medicine, and a PhD Graduate from the University of Melbourne Faculty of Medicine's Department of Surgery (1985) where he studied the epidemiological and aetiological factors of biliary disease. He has also studied medicine at the National University of La Plata Medical School in his native Argentina.

Luis was the chief investigator and the recipient of a National Institute of Complementary Medicine grant for the NICM Collaborative Centre for Transitional/Preclinical and Clinical Research in Nutraceuticals and Herbal Medicines.

Luis was a Senior Research Fellow at the Centre for Molecular Biology and Medicine, Epworth Medical Centre in Melbourne.

Between the years of 2000-2005 Luis was the Deputy Head and Director of Research of the Graduate School of Integrative Medicine at Swinburne University, where he assisted in implementing post graduate courses for medical graduates in the areas of nutrition and environmental medicine and integrative medicine. He has served as a member of the Cancer Council's epidemiology group, has been an alternate director of the Victorian Public Health Research and Education Council and a member of its research committee. He was a member of the executive board of the Australian Research Centre for Complementary and Alternative Medicine. He was also an honorary affiliate with the Department of Medicine, Nursing and Health Sciences, Monash University.

Earlier appointments include Senior Research Associate with the University of Melbourne's Faculty of Medicine - Centre for Palliative Care at Caritas Christi Hospice and St Vincent's Hospital and a University of Melbourne Research Fellow with the Faculty of Medicine and the Department of Surgery at the Austin and Repatriation Medical Centre.

Professor Vitetta has research interests in nutrition, functional foods and immune function, as well as Mind Body Medicine. He was the first internationally funded Australian researcher investigating Chinese Herbal Medicines in a trial with HIV patients. He is frequently invited to speak at local and international conferences.

Naveen Kumar

Research and Development Scientist

Naveen Portrait

Naveen has a PhD in Organic Chemistry from Indian Institute of Technology, Delhi (India). Naveen has worked with a number of multinational companies for R&D function in various capacities. He has over 12 years of experience in the field of synthetic and analytical chemistry within pharmaceutical and fine chemical industry. Naveen has been associated with projects focused on medicinal chemistry, analytical chemistry and technology transfer throughout his professional tenure. His exposure to high throughput synthesis and analytical instrumentation would be helpful in understanding and establishing testing protocols for Medlab products. Naveen is passionate about quality in processes and finds lean sigma tools to be useful to conduct everyday research activities.

He has always been associated with cricket as a sport and plays tournaments for local clubs in Sydney.

Jiezhong Chen

Research and Development Scientist

jeizhong Portrait

Jiezhong Chen obtained a PhD in molecular medicine from the University of Sydney and a Master degree in Management Studies from the University of New South Wales. He has worked in various universities in Australia and USA, studying the mechanisms of various diseases including cancer, obesity, diabetes, cholestasis and osteoarthritis. His research has emphasized translational approaches for the prevention and treatment of these diseases. His outstanding research outcomes are evidenced by more than 100 scientific publications. In Medlab, he is working on the roles of gut microbiota in the pathogenesis of some common diseases such as obesity, diabetes, non-alcoholic fatty liver disease, cancer and depression, and the implications of probiotics as well as gut microbiota metabolites such as short chain fatty acids for ameliorating microbiota-associated diseases.

Michael Thomsen

Naturopath & Herbalist

Michael Portrait

Michael is a PhD scholar at the University of Sydney, Sydney Medical School in the Discipline of Pharmacology and is affiliated with Medlab Clinical. He has a Master’s degree in Applied Science and has been practicing as a naturopath and herbalist for 30 years, specialising in cancer support utilising nutritional and herbal medicines and hyperthermia devices. Michael is researching chemoradiotherapy-induced mucositis, intestinal dysbiosis and the role of probiotics in preventing and or reducing chemotherapy/radiotherapy-induced diarrhoea in patients diagnosed with cancer.


Jeremy Henson

Medical Affairs Director

Jeremy Portrait

Jeremy has 18 years’ experience in cancer research and notably predicted the presence of a completely novel type of cancer biomarker and invented (patented) an assay to detect it. This assay is a frontline research assay and has the potential to become a clinical diagnostic. Jeremy’s research is focused on creating new precision medicines to cure cancer.

Jeremy is the Chief Career Medical Officer at Lakeview Private Hospital, Bella Vista, and also practices at Westmead Private Hospital, Waratah Private Hospital, Hills Private Hospital and South-West Sydney Private Hospital.

Jeremy is a Clinical Tutor at the Faculty of Medicine, UNSW Sydney and is an active member of Cancer Australia Grant Review Committee and the Prince of Wales Clinical School PhD Student Review Committee.


Patrick Mueller

Director of Pharmacovigilance and Regulatory Affairs

Patrick Portrait

Patrick is Director of Pharmacovigilance and Regulatory Affairs at Medlab. His responsibilities include the liaison with internal and external stake holders to ensure that all operations are fitted with the federal and state regulatory frameworks. This involves product registrations, licensing, pharmacovigilance and product quality.

Prior to joining Medlab, Patrick worked as a pre-market evaluation officer for the Therapeutic Goods Administration in Canberra. Patrick has also worked as researcher in Microbiology and Virology at the Sydney University and UTS.

Patrick has a PhD in Microbiology from the Eberhard-Karls-University Tuebingen, Germany where he graduated magna cum laude.

Patrick enjoys various outdoor activities and is a dedicated swimmer.

Maria Mueller-Anstett

Senior Regulatory Affairs Associate

maria Portrait

Maria joined Medlab in 2017 as Senior Regulatory Affairs Associate with a strong emphasis on ensuring compliance to the regulatory framework, building relations with regulatory bodies (TGA, FDA, EMA, State Health Departments, NATA) and providing substantial support for medicine listing and pharmaceutical drug registration in Australia (Cat 1 applications) and overseas. Maria is also one of the companies qualified persons responsible for pharmacovigilance in Australia.

Maria holds a PhD in Molecular Biology/Microbiology. After working as a senior research scientist in the academic field, Maria gained several years’ expertise in research and product design in a globally operating biotechnological company with a NATA-accredited GMP facility in Sydney.

Maria enjoys cultural activities, is committed to environmental and wildlife conservation, loves music and all sorts of outdoor activities.