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2612B 8th Street
Berkeley, CA

510 644 2798

Restoration Design Group (RDG) engages with clients and landscapes to plan and design meaningful places that foster healthy communities and ecosystems.  As a small firm of landscape architects, planners, and scientists, we are dedicated to providing exemplary consulting services and the highest level of principal involvement.  Our portfolio covers a broad range of successful public projects.  This depth of experience has served our clients well in their pursuit of project excellence.



Drew Goetting, Bob Birkeland, Rich Walkling, Erik Stromberg,  Peter Rohan and Hope McManus

Drew Goetting

Drew Goetting, President and CEO

Drew Goetting founded the Restoration Design Group in 2003 after establishing a career in public lands management. As a noted expert in the field of stream restoration, he has been in the vanguard of California restoration efforts. He brings his background in plant ecology, natural resource management, and community development to bear on each project. Drew oversees all RDG work, leads RDG’s public process facilitation, directs RDG’s grant writing efforts for local, state, and federal clients, and has been successful in acquiring over $10 million in grant awards for RDG’s clients.  He is a regular lecturer on restoration and has conducted numerous workshops and community-based planning processes.

Bob Birkeland

Erik Stromberg, ASLA, Principal Landscape Architect / Restoration Director

Erik Stromberg brings together his expertise in science and design, focusing on the interaction between ecological and social processes within the built environment.  As the lead Landscape Architect, Erik has managed multi-million dollar projects for diverse clientele.  Erik orchestrates RDG's collaboration with consulting scientists and leads the firm's stream restoration work and digital design.  He has taught graduate level courses in Geographic Information Systems (GIS) and Landscape Architecture and he is an appointed member of the Town of San Anselmo's Flood Committee.  His technical expertise in fluvial geomorphology and restoration work is instrumental to the firm.

Rich Walkling

Rich Walkling, MLA, Planning Director / CFO

Rich Walkling has been directing resource management and restoration projects for twenty years.  He has managed watershed and estuarine projects in California, the Great Lakes basin, and southern Africa.  His environmental and community planning work has been featured in an exhibit and documentary at the Oakland Museum of California.  Rich is a former appointed member of the East Bay Regional Park District Park Advisory Committee, former board chair of Urban Tilth in Richmond, former vice president of the Golden Gate Audubon Society, and former board member of Citizens for East Shore Parks.  Rich leads RDG’s business management and environmental planning.

Matt Thomas, PE, Civil Engineer

Matt Thomas holds an MS in civil engineering with an emphasis in water resource management from Colorado State University and a genuine passion for rivers.  He brings nearly a decade of civil engineering consulting experience to RDG.  He also has nearly thirty years of on-the-river experience as a whitewater river guide and professional whitewater kayaker.  Through determination and hard work he is returning to the civil engineering profession following a spinal cord injury.  He is excited to bring his education, professional experience, passion, and determination to bear on RDG projects. 

Peter Rohan

Peter Rohan, RLA, QSD, Landscape Architect

Peter Rohan brings twenty years experience in landscape construction and design to RDG. He is licensed as both a Landscape Contractor and a Landscape Architect and is a Bay-Friendly Qualified Landscape Professional and a Qualified Stormwater Pollution Prevention Plan Developer. His expertise lies in efficiently developing clear construction documents and identifying solutions to unforeseen challenges during construction. In addition to his work at RDG, he has also run his own landscape design/build firm creating gardens for residential clients.


Hope McManus, MLA, Landscape Designer

Hope is an artist, designer and educator dedicated to artistic expression and the creation of place, identity, and social meaning within our urban landscapes. With a background in dance, sculpture, architecture, and horticulture, she enjoys testing ideas through a cross-disciplinary lens. Her work as a social and environmental activist has given her conviction that working with people from a variety of perspectives and diverse lived experiences provides the opportunity to imagine and integrate ideas and possibilities for a more just and viable  future. She is a Co-Founder/Director of Emergent Ground, an Oakland nonprofit, and an adjunct professor at California College of the Arts. When she is not working, you will find her dancing, either in a studio, on a stage, or in her kitchen.