NATHAN GRISWOLD ASLA, GRP, CNSP

Learn more about the Founder of Inhabitect

Nathan has worked at the forefront of the green infrastructure industry for 24+ years. He has played critical roles in the design, development, sale, construction, and successful establishment of nearly 1,000 green roofs across North America. Early into his career, he spent over 8 years as the Senior Garden Roof Technical Sales Coordinator for American Hydrotech, one of the world’s largest waterproofing and green roof manufacturers. While in this position, his sales strategies and technical mindset helped increase the Garden Roof Departments sales tenfold.

Long respected for his technical knowledge and hands-on experience, Nathan has proven to be a valuable resource to many design, installation, and owner teams. He is one of the first individuals to receive Green Roof Professional (GRP) accreditation from Green Roofs for Health Cities (GRHC) and was selected as the industry’s first North American Policy Educator, where he helped guide and implement the organization’s efforts to advance green roof technology and educate design professionals & policymakers on all forms of green infrastructure.

Nathan Griswold Inhabitect Founder & President

Nathan has recently developed a system to assist clients with the funding of their roofing/waterproofing and green infrastructure projects through C-PACE financing. Inhabitect has helped clients close over $2.85 million in funding, on new and retrofit projects, in both urban and rural settings.

Dedicated to all forms of green stormwater infrastructure, water quality, and as a Certified Natural Shoreline Professional (CNSP), Nathan approaches projects with an ecological and low impact intent. From concept through completion, and in looking at projects holistically, he always strives to implement sustainability into his work. His strategies benefit both public and private projects, in economically, environmentally, and socially responsible ways. No project is too small, and no project is too big.

He earned an Associate’s degree in Plant Science from Northwest Michigan College. He also holds a Bachelor’s degree in Landscape Architecture (ASLA), a RISE environmental specialization, and a Certificate in Landscape & Nursery Development from Michigan State University.

He launched Inhabitect, LLC to serve as an independent and all-inclusive resource for designing, building, and growing living architecture, green stormwater infrastructure, and natural shorelines that are functional, beautiful, and approachable. With his international and regional network of colleagues in architecture, landscape architecture, engineering, horticulture, construction, and manufacturing, as well as peers in the non-profit and public sectors, and his dedicated team of employees, Nathan is the project and operations manager who brings the right people, with the right expertise to your project. His company is professional, licensed, bonded, and insured. He has the experience, knowledge, and skills to get the job done on time and on budget, exceeding client expectations, at the residential, commercial, or municipal level.

Credentials + Experience + Life 

  • Associate Landscape Architect (ASLA)  
  • Green Roof Professional (GRP) 
  • Certified Natural Shoreline Professional (CNSP) 
  • Green Roof Expert nearly 1,000 projects across North America 
  • Green Roof Advocate and Steward active in the green roof industry for 18-years 
  • Member – Leelanau County Planning Commission (3 year term) 
  • Member – Leelanau County Construction Board of Appeals (1 year term) 
  • Former Co-chair, Advanced Green Roof Maintenance Committee, Green Roofs for Health Cities (GRHC)
  • Former Member, Growing Medium Committee, GRHC 
  • Former Chair, Green Roof Insurance Committee, GRHC
  • Continuing Education Provider, GRHC 
  • Former North American Policy Educator, GRHC 
  • Educator, Northwest Michigan College, Yestermorrow Design/Build School, Half Moon Education 
  • Mentorseeks out opportunities to educate about green stormwater infrastructure (all ages) 
  • Member, Green Roof Committee (E60 and D08), American Society for Testing and Materials (ASTM) 
  • Green Roof and Green Infrastructure Consultant and Designer 
  • Living Architecture Systems and Materials Expert
  • Native plant advocate  
  • Natural Shoreline/Bioengineering advocate and practitioner
  • Waterproofing and Roofing Systems Consultant, Specifier 
  • Construction, Operations Manager and Supervisor 
  • Green Stormwater Infrastructure Designer and Installer 
  • Project Manager, Project Collaborator 
  • Recipient of the 2016 Environmentalist of the Year Award (Business Category) from the Northern Michigan Environmental Action Council (NMEAC)
  • Recipient of Traverse City Business News’s 40 under 40 designation in 2015, 2016, 2017, and 2018
  • Selected as one of Traverse City Business News’s People, Places & Products to Watch in 2015
  • Team Builder, Team Player
  • Thought leader, trusted voice in Ecologically minded development and design 
  • “Green Collar Worker” Educator, Socially minded business owner  
  • Problem Solver, Problem Preventer 
  • Deal Maker, Collaborator, Visionary
  • Recognized Small Business Leader by the Michigan Small Business Administration (SBA), Inhabitect nominated as one of the eleven “Best Small Businesses” in 2019
  • Outdoor Sports Enthusiast, Fly fisherman, Snowboarder 
  • Husband & Father