Nathan Griswold

Nathan Griswold, ASLA, GRP

BA, Michigan State University in Landscape Architecture



Nathan earned a Bachelor’s Degree from Michigan State University in Landscape Architecture. He also holds an Associates Degrees in plant science and landscape and nursery development. Having always had a passion for sustainable development, his career has mostly been spent in the green roof industry as well as working with other forms of green infrastructure. An active member of the green roof industry’s trade association Green Roofs for Healthy Cities (GRHC), Nathan helped to create the Advanced Green Roof Maintenance committee and an active member of other influential committees. He regularly speaks at the annual conferences and is an approved GRHC continuing education educator. Nathan has been a part of this industry for over 16 years and has played a role in designing, building and growing over 1,000 green roofs in North America during that time. He founded Inhabitect, LLC in 2013 and has grown the company into a recognized leader in the State of Michigan when it comes to managing stormwater with green infrastructure and has recently been doing more work with rain gardens, bioswales, permeable pavement and natural shoreline restoration.

Nathan is also a longtime member of the American Society of Landscape Architects (ASLA), was one of the nation’s first individuals to achieve his Green Roof Professional (GRP) accreditation, and played an early role in the development of the industry standards with the American Society for Testing and Materials (ASTM) green roof committee, which is creating and developing international industry standards. He recently became an accredited Certified Natural Shoreline Professional (CNSP) through the Michigan Department of Environmental Quality (MDEQ) and is working with Michigan State University Extension to create a multi-day training on all things green infrastructure. This program will be aimed at homeowners, developers, designers, planners as well as decision and policy makers.