Christina Dauenhauer

Christina Dauenhauer is a landscape designer, artist, and Grounds Manager at Esalen Institute.

Beth Mullins

GrowsGreen Landscape Design

Beth Mullins specializes in residential garden design. She graduated from University of Pennsylvania with a post-doctorate in Biochemistry and has completed her Masters equivalent in Landscape Architecture from UC Berkeley Extension. Beth’s designs have been recognized in landscape publications and received awards from the California Licensed Contractors Association, and the San Francisco Flower and Garden show. Her favorite color is texture.

Rafael Schneider

Rafael Schneider loves endemic Swiss orchids. He has a degree in Environment Engineering from Zurich University of Applied Science, is a leading researcher in orchid preservation, and has engaged others in his work to discover everything he can to ensure their survival. Rafael has received numerous grants to further his research, taken many students under his wing, and spoken internationally on the topic. An infectious smile and funny-man jokes lighten his many hours spent with a microscope. 

Haven Kiers

Haven Kiers is a lecturer in landscape architecture at UC Davis and the special projects manager at the UC Davis Arboretum. She received her bachelor’s degree from Brown University and her Master of Landscape Architecture from UC Berkeley and has worked as a landscape architect, a city and environmental planner, and a consultant. Haven specializes in green roof design and has spent nearly 10 years teaching students about green roofs and other green infrastructure.

Sean Hogan

Cistus Design & Nursery

Sean Hogan has been involved in horticulture since about 18 months of age and seriously since the age of three. He served as horticulturist at the UC Botanical Garden at Berkeley and is now owner of Cistus Design and Nursery, specializing in plants from all over the world, especially western natives, and designing public and private gardens on the West Coast and beyond. Sean is the author of Flora: A Gardener’s Encyclopedia and Trees for All Seasons: Broadleaf Evergreens for Temperate Climates, both from Timber Press.

Kendra Hauser

Kendra Hauser is the Landscape Exhibits Assistant at the California Academy of Sciences. Together with her colleague, Alan Good, they maintain the 2.5-acre living roof and 5 acres of landscape surrounding the building. Kendra became interested in plant ecology and sustainable landscaping while majoring in Environmental Studies at the University of California, Santa Cruz. Her passion for the natural world has led to jobs at California native plant nurseries, working on organic farms both locally and abroad, teaching youth environmental education, as well as studying salmon migration and testing water quality along the Monterey Bay. She is an accredited Green Roof Professional and certified Bay Friendly Landscape Technician.

Mark Fusco


Mark Fusco works as a Green Roof Consultant/Architectural Sales for Bison Innovative Products. Mark began his career as a Senior Horticulturist at Denver Botanic Gardens where he focused on the use of Western native plants, and alpine and drought tolerant Asian flora in urban landscapes and green roofs. Mark is a founding member of Growwest, a non-profit organization dedicated to fostering regional dialogue and encouraging green roof policy, and forwarding the design, construction, and performance of green roofs.

Karla Dakin

K Dakin Design

Karla Dakin established K. Dakin Design 1997, specializing in ecologically sound landscape architecture with a particular emphasis on incorporating native plant life. Dakin has completed a wide array of projects around the United States, including the roof garden for the Museum of Contemporary Art in Denver, Colorado, and the green roof for the Los Angeles Museum of the Holocaust. Early in 2013, she co-authored “The Professional Design Guide to Green Roofs,” published by Timber Press.

Lisa Lee Benjamin


Lisa Lee Benjamin perseveres in her worldwide pursuit to generate environments that unite people, art, and science. Consulting and collaborating on a wide variety of projects, she has inspired sustainable solutions for diverse animal and human habitats; including insect commentary, food geography, green roofs and public gardens. Her current focus is foundational change and education. Lisa is co-author of The Professional Design Guide to Green Roofs (Timber Press 2013) and a founding member of many initiatives including Urban Hedgerow, Green Roof Alliance, Alpine Initiatives and UG LAB


Ann Northrup

Ann Northrup spent her undergraduate years at the University of Michigan, where she earned a Bachelor of Science in microbiology. Her interest in plant pathology started there, but she took a five-year diversion to work in the field of medical diagnostics at Bio Rad Labs in Richmond, California, and another two years as a molecular biology research assistant at UC Irvine. Returning to plant pathology, Ann earned a master’s degree UC Berkeley. She has worked primarily in disease diagnostics of ornamental plants, first with Soil and Plant Lab in Orange, California, and then with Nurserymen’s Exchange in Half Moon Bay.

Ann currently consults privately in plant pathology and arboriculture and teaches horticulture classes at Foothill College in Los Altos Hills and Merritt College in Oakland. One of her professional pleasures is volunteering at the Sick Plant Clinic. She is also an active volunteer in the UCCE Master Gardener program for Santa Clara County. In her spare time, she enjoys playing her flute in a woodwind quintet in Saratoga and with the Saratoga Community Band conducted by her husband. And of course … she gardens.

Lorene Edwards Forkner

Lorene Edwards Forkner lives and gardens in Seattle where she pursues a good and delicious life filled with family and friends together with all things horticultural, believing that the really good part is in the blending of one’s passions.

Lorene is the author of five garden books including Hortus Miscellaneous (Sasquatch Books), Handmade Garden Projects, and The Timber Press Guide Vegetable Gardening: Pacific Northwest. Lorene is also the author of the newly released “Color In and Out of the Garden,” Abrams Books, 2022. Follow along at She was the editor of Pacific Horticulture from 2012-2019.

Frederique Lavoipierre

Frederique Lavoipierre is the creator and author of “Garden Allies,” a series that ran for 10 years in Pacific Horticulture magazine. She also teaches classes and workshops on sustainable landscaping, including ecological principles, habitat gardens, beneficial insects, soil ecology, freshwater ecology, and aquatic invertebrates. Follow her on Facebook at