Daniel Roehr teaches studio, site engineering (grading and drainage), advanced graphics, green roof research seminars and studies abroad in the Landscape Architecture program. He is a registered landscape architect in British Columbia and Germany, as well as a horticulturalist and gardener. In 2007, he founded the research group greenskins lab at UBC. Current research focuses on the integration of green roofs as part of a holistic system for stormwater management. Daniel regularly publishes and is currently writing a book titled Green Roofs in Integrated Urban Water Systems (Routledge, February 2014). In addition, Daniel and his team conduct expertise studies and consult professionally.

In over 20 years, Daniel has practiced in Great Britain, Japan, USA, Germany, Italy, Austria, and China. From 1995 to 2000, he was project architect of the award winning Daimler-Chrysler Green Roof Project, Potsdamer Platz in Berlin, Germany. Before moving to Vancouver, he ran his own landscape architecture firm in Berlin from 1999 to 2007, and was co-founder of a firm in Shanghai in 2004.