Wei Jun Dan Ong is a Senior Respiratory Therapist at the Jurong Health Campus, National University Health System, Singapore. With a comprehensive background in respiratory therapy, healthcare management, and research, Ong has made substantial contributions to clinical care, community health research, and healthcare transformation initiatives. He combines his clinical expertise with a passion for education, critical care, and quantitative research, playing a pivotal role in advancing respiratory care services, digital health tools, and process improvements within the healthcare system.

Ong holds an impressive academic background with multiple degrees. He earned a Master of Public Affairs from the University of Missouri, with specializations in Profit and Nonprofit Management, Epidemiology, Participatory Health Research, Health System Innovation, and International Development. He also holds a Bachelor of Health Science in Clinical Diagnostic Science with a focus on Respiratory Therapy, a Bachelor of Science in Statistics, and a Bachelor of Arts in Interdisciplinary Studies (Biology, Chemistry, and Mathematics), all with distinction. Additionally, he has obtained a Specialist Diploma in Statistics & Data Mining and a Diploma in Biotechnology with Merit from Singapore institutions. Ong also earned a Certificate in Leadership and Management from Harvard Business School Online.

Ong has held several influential positions in healthcare. As a Senior Respiratory Therapist at Jurong Health Campus, he has led critical care projects, participated in clinical research, and provided statistical consultation to allied health professionals. He has also worked as an Assistant Manager in Allied Health & Community Operations, overseeing workflow improvements and managing respiratory care services. His experience extends to the Ministry of Health Office for Healthcare Transformation (MOHT), where he played a key role in developing digital health tools, coordinating community-driven initiatives, and managing healthcare transformation projects.

Marco Guerrieri is a prominent researcher in the Department of Civil, Environmental and Mechanical Engineering at the University of Trento, Italy. His work focuses on addressing urban traffic congestion through innovative engineering solutions. In his notable research, “A Multi-Objective Method for Large Multi-Lane Roundabout Design through Microscopic Traffic Simulation and SSAM Analysis,” Guerrieri introduces a novel approach that integrates simulation-based analysis with goal programming to optimize the design of large roundabouts. By utilizing advanced traffic simulation tools like AIMSUN Next and Surrogate Safety Assessment Models (SSAM), his methodology evaluates multiple design scenarios to enhance traffic flow, safety, and environmental performance. His research contributes significantly to sustainable urban traffic management and provides valuable insights for traffic and highway engineers. Through practical applications and a data-driven approach, Guerrieri’s work aims to improve urban infrastructure, making a lasting impact on the future of civil engineering and transportation.

Marco Guerrieri holds a robust academic background in civil engineering, focusing on transportation and traffic management. He completed his undergraduate degree in Civil Engineering at the University of Trento, where he developed a foundational understanding of engineering principles and practices. Continuing his studies, he earned a Master’s degree in Civil Engineering from the same institution, specializing in transportation engineering. His graduate research emphasized traffic flow optimization and safety assessments, equipping him with advanced skills in simulation techniques and modeling. Marco’s dedication to research led him to pursue a Ph.D. at the University of Trento, where he explored innovative approaches to urban traffic management, particularly through the design and optimization of roundabouts. Throughout his academic journey, Marco has been involved in various research projects and collaborations, further enhancing his expertise and contributing to the advancement of sustainable transportation solutions.

Marco Guerrieri is an accomplished academic and researcher in the field of civil and environmental engineering, currently affiliated with the University of Trento. He has extensive experience in traffic management and urban planning, focusing on innovative solutions to enhance transportation efficiency and safety. Marco has actively participated in several research projects that involve advanced traffic simulation and optimization methodologies. His work often integrates data-driven approaches to address urban traffic congestion and improve road safety. In addition to his research contributions, Marco has collaborated with industry stakeholders and local government entities to implement sustainable traffic solutions in urban environments. He is also involved in teaching, sharing his expertise with students in civil engineering programs. Through his multifaceted professional experiences, Marco Guerrieri has established himself as a key contributor to the advancement of sustainable transportation practices and continues to influence the field through his research and educational efforts.