Professor Mathisen is the Director of Sustainability at WPI and is also a faculty member in the Department of Civil and Environmental Engineering Department.  As Director of Sustainability, Professor Mathisen works to promote sustainability and engage the community in WPI’s academic programs, research, operations and facilities, with consideration to areas such as water, energy, transportation, and waste management. His research emphasizes the analysis and modeling of environmental systems, with an emphasis on areas such as water resources protection, resilience and climate change adaptation, infrastructure, and the food-water-energy nexus.  Recent research areas include adaptation to climate change, water quality protection for groundwater and surface water, water resources management, and transportation systems.