The following specialists offer technical expertise in green and living roofs, rainwater catchment systems, and solar PV. Please feel free to contact them with specific questions you may have about your rooftop project!

Maya Donelson – Green/Living Roofs
Maya is a sustainability and food production systems designer/educator dedicated to the sustainable transformation of our built environment. Since graduating from Syracuse University, she has undertaken a cross country cycling adventure and gained experience as an Ecological Architectural Designer, Bay Localize Rooftop Resources Project Intern and Elementary School Garden Educator. Recently, she spearheaded the design and development of Graze the Roof, an edible rooftop container garden at Glide Foundation where she now serves as the Project Manager and Youth Educator – an experience that has given her valuable insight into the proper design and operation of food producing roof gardens. Additionally, she just recently gained experience designing and installing her first rainwater catchment system. She is currently an independent consultant offering design/build services for rooftop/backyard/vacant lot gardens. She also designs graphics, logos, and websites. Maya resides in San Francisco and enjoys being outside, bicycling and exploring the Bay Area.
E-mail: maya.donelson@gmail.com
Website: http://grazetheroof.blogspot.com

Elizabeth Dougherty – Rainwater Catchment
Elizabeth’s current incarnation is as Integrated Water Management Maven. Her background in the politics of natural resource use (PhD, University of Pennsylvania), agroecology, energy efficiency, and community/government organizing makes her a natural for creating Wholly H₂O, a rain/grey/storm/black water efficiency and conservation center in San Francisco. Elizabeth coordinates both the NorCal chapter of the American Rainwater Catchment Systems Association, as well as the Burn Green Soiree, a monthly Bay Area soiree that showcases innovative projects which address pressing environmental problems.
E-mail: elizd@elizd.com
Website: www.whollyh2o.org

Gabrielle Fladd – Green/Living Roofs and Rainwater Catchment
Gabrielle is a landscape architect and ecological designer for Rana Creek’s Living Architecture department. She leads a team of designers, environmental engineers and ecologists working on multi-faceted projects in a diverse range of project scales and scopes. Her work focuses on the reintroduction of vegetated systems into highly urbanized areas to regenerate urban ecosystems, providing habitat for wildlife and diverse and healthy environments for people. She is currently managing her departments work on a handful of high profile ecological design projects including a 5-acre living roof in downtown San Francisco for the Transbay Terminal project and a blackwater system for the Deacero Corporate Headquarters in Monterrey, Mexico. She is a LEED accredited professional and is an ARCSA (American Rainwater Catchment Systems Association) Rainwater Catchment Systems Accredited Professional. She has taught community workshops focused on rainwater catchment, treatment and reuse strategies and has given educational lectures on topics including living roof construction, integration of vegetation into building systems and other ecological design principles. She has also been involved in mentoring programs working to inspire young adults who are interested in becoming involved in careers in the Green Building Industry.
E-mail: gfladd@ranacreek.com
Phone: (831) 659-3820 x131
Website: www.ranacreek.com

Geoffrey Holton – Green/Living Roofs, Water Conservation/Reuse, and Solar
Geoffrey is principal of Geoffrey Holton and Associates (GHA), an architecture firm in Oakland, CA. He received his Bachelor’s degree from U.C. Berkeley in 1984 and earned his Master’s degree at Berkeley in 1989. Geoff has practiced architecture since 1984, forming GHA in 1996. GHA practices a sustainable approach to residential and small commercial projects, community design work for schools and non-profits, affordable housing, site design and master planning. In parallel with design work that integrates renewable energy, living roofs, and water conservation and reuse, Geoff has also developed expertise in community based design processes while pursuing projects that emphasize durable urban futures and locally based, green job development. When not working on his never quite finished house, Geoff enjoys biking in the city and hiking as far away from the city as he and his family can get.
E-mail: geoff@ghadesign.net
Phone: (510) 663-9797
Website: www.ghadesign.net

Haven Kiers – Green/Living Roofs
Haven is a landscape designer and a big fan of green roofs. She received a Masters in Landscape Architecture from UC Berkeley and wrote her thesis on the myths of green roofs. Haven currently works as an instructor for the non-profit organization Green Roofs for Healthy Cities (GRHC). She travels around the U.S. and Canada teaching three courses on green roofs: Introduction to Green Roofs, Green Roof Design and Installation, and Green Roof Plants and Growing Medium. In December, Haven started working for GRHC as their San Francisco Market Development Coordinator. She is also the Design Editor for the website Greenroofs.com and has written several articles profiling the top trends in green roof design.
E-mail: hkiers@greenroofs.org
Phone: (510) 847-2701
Website: www.greenroofs.org

John Russell – Rainwater Catchment and Graywater Systems
John is owner and principal designer at WaterSprout, a design/build landscaping company focusing on rainwater and graywater systems. He graduated from the University of California at Davis with a degree in Evolution & Ecology. He worked for several landscaping firms in the Bay Area, where he gained extensive hands-on knowledge of our local plant ecologies, before continuing his education at San Francisco Institute of Architecture where he earned a Masters Degree in Ecological Design. Since founding WaterSprout in 2006, John has become a pioneer in the field of innovative water systems.
E-mail: john@watersprout.org
Phone: (510) 541-7278
Website: www.watersprout.org

Ingrid Severson – Green/Living Roofs and Rainwater Catchment
Ingrid is a Bay Area native and co-founder of Bay Localize where she served for three years as a Project Organizer and Steering Committee Member. She initiated the Rooftop Resources Project (now the Use Your Roof! Project), a Bay Localize program that researches and advocates for the advancement of rainwater catchment, solar power, living roofs and edible roof gardens. She gained experience in the environmental field through undergraduate studies at San Francisco State and New College of California. She pursued a hands-on approach to Deep Ecology with extensive travels and environmental programs in Latin America and is proficient in written and spoken Spanish. She has led multiple living roof and rainwater catchment design and installation workshops in the Bay Area region and is a certified Permaculture Designer, and an ARCSA Accredited Professional. She has also worked with Next Energy Solar, Sonoma County Conservation Action, the Sierra Club Bay Chapter, and independently in various video productions promoting environmental awareness. She is currently an independent consultant offering rainwater catchment design and build services and also practices therapeutic massage in Berkeley. Ingrid lives in Oakland and enjoys exploring the social, environmental and community art treasures within the Bay Area.
E-mail: Ingrid_severson@yahoo.com

Babak Tondre – Rainwater Catchment/Greywater and Solar
Tondre has been an ecological designer and teacher for more than 15 years and a green builder for over 20 years. Born and raised in the Oakland/Berkeley area, he completed his Bachelors of Architecture with a Minor in Engineering from U.C. Berkeley’s College of Environmental Design in 1993. In 1994 he became a Certified Permaculture Designer. He is Co-founder of the EcoHouse, an ecological demonstration project of the Ecology Center, 501(c)3, where he coordinated one of the first city-approved combined constructed wetlands/greywater systems in the Bay Area. Since 2006 he has taught wetlands/greywater workshops and presentations to over 1000 people. With 20 years of conventional and green construction experience and 8 years experience in the areas of Greywater, Rainwater Catchment and Solar PV, he currently works with DIG Cooperative as a Permaculture consultant/designer and lead journeyman builder.
E-mail: tondre@dig.coop
Website: www.dig.coop