Our Board Members

The Minnesota Green Roofs Council brings together a diverse group of professionals united by a shared commitment to green roofs for their many environmental, economic and aesthetic benefits. Ladies and gentlemen, your Minnesota Green Roofs Council board members:

Kevin J. Slattery, President. Kevin is Vice President, Architectural Sales, Edwards Sales (Chaska, MN), a manufacturers’ sales agent for insulation, waterproofing and building envelope products. He has been helping architects, builders and contractors keep buildings warm and dry for more than 18 years. Kevin is a graduate of the College of St. Scholastica (Duluth, MN).
Angie Durhman, Secretary. Angie is President of AD Greenroof, LLC (Minneapolis, MN), a green roof consulting firm she founded to service all aspects of design, development, implementation and maintenance. She has been in the green roof industry for more than ten years and has been involved in many award-winning green roof projects. She holds a master’s degree in horticulture from Michigan State University (East Lansing, MI), where she studied green roof plant performance and environmental sustainability. An active member of several national and local green building, landscaping, and green roof organizations, Angie regularly shares her expertise at conferences and seminars. She owns a small, shady green roof in Minneapolis.
Gary Leatherman, Treasurer. Gary is a digital media producer, exhibit developer and owner of macMonkey Digital Studios (St. Paul, MN). He has worked on numerous PBS television series, including the Emmy award-winning science series, “Newton’s Apple,” and “DragonflyTV”, as well as on the DIY series “Make:TV”. Gary is a graduate of Colorado College (Colorado Springs, CO) and holds a master’s in business administration from the Carlson School of Management, University of Minnesota – Twin Cities. The father of four, Gary is passionate about science education, sustainable technologies, and the DIY movement. He installed his own 1,000-square-foot green roof on his St. Paul garage.
Edward Heinen, Board Member. Edward is founder of Edward R Heinen Consulting LLC (Burnsville MN), a consulting firm focusing on specifications writing and high-performance, sustainable buildings and landscapes. He earned a Bachelor of Architecture degree from the Illinois Institute of Technology. His is an Illinois licensed architect, CSI Certified Construction Specifier, LEED Accredited Professional, GRHC accredited Green Roof Professional, and certified Minnesota Master Naturalist. Edward maintains a native plant garden at home, and serves as a site steward with the Minnesota DNR SNA program.
Angela Anderson, Board Member. Angela is retired from the Minnesota Department of Natural Resources (DNR), where she served as the Natural Resources Management Program Coordinator for the Division of Trails and Waterways. Before joining the DNR, she worked for private landscape architecture and construction firms in Germany, where she was involved in many green roof projects. Throughout her career, the emphasis of Angela’s work has been on the protection and restoration of natural resources.
Kent Harris, Board Member. Kent Harris is Vice President and Business Developer with Arteka Companies (Shakopee, MN), a commercial landscaping, hardscaping and irrigation firm. He has worked in the landscape industry since 1978 — starting with a summer job when he was a student at Lakeville High School. Kent has expertise in landscape and irrigation construction and maintenance, water features, rain gardens and green roofs, and interior and exterior green walls.
John Hink, Board Member. John is an innovative and passionate environmental engineer who provides over 20 years of experience in Brownfield re-development, sustainable site design, project management and integrated construction administration. Mr. Hink has successfully managed several housing, athletic complex, commercial centers, church campus and public facility projects from conception, through design and concluding with construction. John works continually to help clients achieve their project goals while accommodating the regulatory guidelines and keeping each project on schedule.
Erika Spande, Board Member. Erika is a landscape design professional in the Twin Cities metro area and a Certified Master Water Steward with the Freshwater Society. She joined the Council with a passion to promote designing, planting and maintaining landscapes and rooftops for water quality. Erika earned an associate’s of arts and sciences in landscape design from Hennepin County Technical College (Brooklyn Park, MN). She believes we can make a positive impact on our environment by implementing low-impact practices whenever possible.