Dr Roger Achkar is a distinguished global leader, engineer, social scientist, and the founder of the Global Waste Cleaning Network (GWCN), a leading international environmental and energy network encompassing 2,200 organisations across 187 countries.

A vanguard sustainability thought leader, Roger developed the Integrated Waste Opportunity Cost (IWOC) metric to systematically target hidden environmental waste expenses. He also pioneered the Digital Waste-to-Energy Protocol (DW2EP) and founded World Digital Footprint Day to raise global awareness and deliver structural solutions for modern digital infrastructure demands.

An internationally decorated executive, he successfully accelerates regional circular economy implementation and global clean energy transitions.

Dr. Mohammad Arif Kamal is an Architect having 20 years of Teaching, Research and Professional experience in the field of Architecture, Building Technology and Interior Design, He did his Bachelor of Architecture (B. Arch.) with Honors from Aligarh Muslim University, Aligarh, India in 2000, and secured a Master of Architecture (M. Arch.) on an MHRD GATE Fellowship from the Indian Institute of Technology (IIT), Roorkee, in 2002 and Ph.D. in ‘Energy Responsiveness in Traditional Residential Buildings of Lucknow’ on MHRD Fellowship, from IIT, Roorkee in 2007. His major fields of interest are Environmental Design, Sustainable Architecture, Energy Efficiency in Buildings, Climate Responsive Architecture, Traditional Architecture etc. Dr. Kamal is presently working as an Associate Professor at Aligarh Muslim University, Aligarh. He has published 5 books and edited 4 Special Topic Volumes related to Sustainable Building Materials, published by Trans Tech Publications, Switzerland. He has published around 120 research papers in International Journals and Conferences. Dr. Kamal has an h-index of 14 and i10 index of 25.....with around 1133 Citations (Highest Number of Publications and Highest Number of Citations in Architecture in India). Dr. Kamal is an Editorial Board Member of many International Journals and Conferences related to the Field of Architecture and Building Construction Engineering. He is a lifetime member of the Council of Architecture, India, and an Associate member of the Indian Institute of Architects, India. He is also a panel member of many International Research Organizations and Professional Bodies.

Dr Silas K. Mulaudzi has substantial experience in the energy sector (renewable energy, energy efficiency, Just Energy Transition) in South Africa. He has served in in all spheres of government in management positions and also in the academic institutions. Dr Mulaudzi vast experience gained in various institutions that are Department of Energy, City of Tshwane, Western Cape Provincial Government, University of South Africa, and he occupies a Specialist position responsible for Sustainable Energy at the South African Local Government Association and a Lecturer: Energy at the African Energy Leadership Centre at the Wits Business School.

Dr Mulaudzi specialises in Electricity Distribution Industry (EDI), energy policy and regulatory framework, embedded generation policy and regulatory design, renewable energy power procurement and energy transition.

He holds PhD in Renewable Energy (Newcastle University, United Kingdom), MSc Environmental Sciences (Wits University, RSA) and BENVSc Hons (University of Venda, RSA). He is a registered Professional Natural Scientist (Pr. Sci. Nat).

Prof. Mohammad Ali Abdelkareem is a Professor in the Department of Sustainable and Renewable Energy Engineering at the University of Sharjah, United Arab Emirates. He holds a PhD in Chemical Engineering with a specialization in Renewable Energy and Fuel Cells from Gunma University, Japan, and has more than 20 years of teaching and research experience in sustainable and renewable energy.

His research interests include direct methanol fuel cells, microbial fuel cells, direct urea fuel cells, proton exchange membrane fuel cells, hydrogen production, supercapacitors, batteries, redox flow batteries, renewable energy systems, CO₂ capture and utilization, energy management, and advanced nanomaterials. His research also covers the application of fuel-cell technologies in transportation, wastewater treatment, and clean-energy systems.

Prof. Abdeltif Amrane is a Full Professor at the University of Rennes, France, and Director of the IUT of Rennes. His research focuses on environmental and chemical engineering, wastewater treatment, biodegradation, pollution control, and environmental biotechnology. He has extensive international research and academic collaboration experience and has authored numerous scientific publications in environmental engineering.

Prof. Amrane has supervised and co-supervised numerous doctoral researchers and has participated in national and international research projects and collaborations involving countries including Algeria, Belgium, Hungary, Iran, Lebanon, Mexico, Morocco, Poland, Portugal, Romania, Spain and Tunisia.

He has authored hundreds of international scientific publications and contributed to books and book chapters in areas related to environmental engineering, pollution treatment, wastewater treatment and related technologies.