Prof. Dr. Mohsen Aboulnaga is a Professor of Sustainable Built Environments at the Faculty of Engineering at Cairo University, Egypt. He has more than thirty-five years of experience working in higher education, government, senior management, and consultancy on the issues of sustainable cities, climate change adaptation, sustainable development, sustainable energy, and energy policy development. Professor Aboulnaga is a senior expert on sustainable urban development, including green and smart cities, energy efficiency, and green building. His areas of competency encompass sustainable development, strategy planning, policy development, low-carbon society, sustainable energy, and climate change. Other areas of expertise include executive capacity building for local governments and coaching and training on strategic planning and leadership, Sustainable Development Goals (SDGs), innovation, and urban farming in cities. Professor Aboulnaga has developed many Concept Notes for leading international entities such as ENI ZOHR Sustainability initiative (2019), European Union (EU) funded projects (2018-2019) and Sustainable Urban Development for The Union for the Mediterranean (UfM) in 2017. Recently, Professor Aboulnaga organized with Technical University of Lisbon, Portugal, and University of Florence, Italy, the international design competition "HOME-KIT Sustainable Modular Houses for Slum Dwellers amidst COVID-19", which was concluded in July 2021 in Lisbon. Professor Aboulnaga is an author of four books published by Springer and 28 chapters in books published by Springer and Elsevier. He has also been invited keynote speaker and speaker to more than 390 international and regional conferences, seminars, workshops, and training programs, and has more than 170 international publications and presentations.