Maria Kalli received her Diploma in Civil Engineering at the National Technical University of Athens (NTUA) in 2019. The subject of her diploma thesis was "Experimental investigation on the effect of free ammonia on the action of microorganisms associated with biological phosphorus removal". Subsequently, she continued her studies in NTUA with the postgraduate program "Water Resources Science and Technology" with a specialization in Water Quality and Environmental Technology. Her postgraduate thesis "Experimental investigation of the effectiveness of zero-valent iron in the removal of emerging contaminants from water in continuous flow systems", was completed in 2021. She has research experience in laboratory analysis and lab-scale experiments. Since 2021, she has been a PhD candidate in the Department of Water Resources and Environmental Engineering at the School of Civil Engineering at NTUA with the topic of her dissertation being "Experimental investigation of the fate of antibiotic-resistant bacteria and antibiotic resistance genes in the treatment, reuse, and disposal of wastewater". She has also participated in 2 international scientific conferences through a poster presentation and a scientific paper in 2019 and 2021, respectively.