Meet our Designers

Our differences strengthen our abilities

Bob D. 

Senior Landscape Designer 

athan has worked at the forefront of the green infrastructure industry for 20+ 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.

Brendan A.  

Junior Landscape Designer

athan has worked at the forefront of the green infrastructure industry for 20+ 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.

Jayly L. 

Design Assistant – Plant Guru 

athan has worked at the forefront of the green infrastructure industry for 20+ 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 Griswold Inhabitect Founder & President
Nathan Griswold Inhabitect Founder & President

Credentials + Experience + Life 

  • Associate Landscape Architect (ASLA)