Mr. Konstantinos Azis is an active researcher in environmental and biochemical engineering, with a strong focus on wastewater treatment processes, biological nutrient removal, membrane bioreactors, landfill leachate treatment, and advanced control strategies for energy-efficient operation of treatment systems. His research portfolio includes 14 peer-reviewed documents, which have received 119 citations across 116 citing documents, reflecting sustained scientific impact. He holds an h-index of 7, demonstrating consistent contributions to high-quality research outputs. His publications span leading international journals and conference proceedings, addressing topics such as intermittently aerated activated sludge systems, real-time control of nitrification–denitrification, simulation-based aeration strategies, fouling control in membrane systems, advanced oxidation processes, and microbial applications in environmental biotechnology. His work contributes to the development of sustainable, optimized, and data-driven solutions for water and wastewater management, supporting both environmental protection and operational efficiency.