Kathryn Gwilym is an award-winning civil engineer and thought leader in sustainable infrastructure, particularly green stormwater infrastructure (GSI) and low-impact development (LID) technologies. Kathryn is inspired by the opportunity to have long-term impacts on healthy communities and environmental protection through her work. For more than 20 years, she has applied her engineering and design expertise to a wide range of public facilities, housing, streets, parks, and utilities projects. With a high level of critical thinking and observation, Kathryn strives to ensure that all voices are heard—from agency staff and maintenance personnel to end users and community stakeholders—so that a project can succeed in meeting multiple objectives and needs. As a principal and co-leader of MIG’s quality assurance/quality control (QA/QC) processes, she provides critical analysis and feedback on constructability, feasibility, and adherence to both firm and client standards. In continued service to her profession, Kathryn helps train the next generation of professionals by teaching locally and regionally, as well as through active participation on advisory committees and technical working groups.