Visnja Orescanin is the Head of the laboratory at Advanced Energy Ltd, Croatia. Priorly, Visnja Orescanin worked as a Research Scientist at Ruder Boskovic Institute, Center for Marine and environmental Research Zagreb. Visnja Orescanin completed his PhD in Biology, Development and application of new water cleaning product from hazardous industrial waste; toxicoloy from University of Zagreb, Croatia.

Visnja Orescanin research interest lies in Water Analysis, Wastewater Reuse, Wastewater Treatment, Ecology, Environmental Applications, Heavy Metals, Environmental Impact Assessment, Environmental Analytical Chemistry Environment, Cytogenetics, Environmental Analysis, Wastewater Engineering and Water Chemistry.