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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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Announcing Speakers for Ecoroof Portland



We're excited to announce our guests and keynote speakers that will be traveling to Portland next month:

Stephan Brenneisen is a geographer, ecologist, and green roof expert from Basel, Switzerland. He is the head of the Green Roof  Competence Centre at the Zurich University of Applied Sciences, and president of the Swiss Engineering and Architect Union-Norm Commission.  In this role  he  has led the development of different green roof standards  for Switzerland for habitat approach (biodiversity, nature conservation)  and light weight innovations. He is currently working as a lecturer and  project leader in urban planning and nature conservation. His research has covered the  ecological compensation value of green roofs, with a focus on biodiversity and city planning aspects. Stephan will be in Portland in early March to consult on ecoroof design for habitat and biodiversity. His presentation (details coming soon) will take place on Thursday, March 3rd. 


Wolfgang Ansel is currently the Director of the International Green Roof Association (IGRA). IGRA`s targets include the worldwide promotion of the ecological Green Roof idea, an international knowledge  transfer in the field of Green roofs and  the stimulation of international standards for good practices and  reliable Green Roof technology. Wolfgang Ansel is co-author of different Green Roofs Books (“Green  Roofs – Bringing Nature Back to Town, Proceedings – International Green  Roof Congress 2009”, and many others). During the last year he  was an invited speaker at congresses in Europe, North America and Asia. One of his  main areas of work is implementing green roof policies on an international level. Wolfgang will be speaking at Ecoroof Portland.


Renowned biologist, restoration ecologist and expert designer of living architectural systems, Paul Kephart is sought after for his skill has an innovator and pioneer in the fields of environmental planning and ecological design. Paul has developed his profound understanding of natural processes over the course of almost thirty years of diverse ecological work including ecological design, horticulture, botanical surveying, biological assessment, watershed management, mitigation, land stewardship and resource management planning. He is the President of Rana Creek Habitat Restoration in Carmel, California. Paul has applied his ecological design training on noteworthy large-scale architectural icons, including Gap HeadquartersCalifornia Academy of Sciences, and the Vancouver Convention Center. Paul will be speaking at Ecoroof Portland.



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