David is a pioneer in the field of vertical gardens

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David Brenner

Founding Principal & Lead Designer

Working at the intersection of botany, architecture, interior design and urbanism, David has applied his passion for plants to a growing list of innovative projects, building a broad variety of modern, human-centric spaces with abundant plant life at their heart.

David holds a degree in Environmental Horticulture Sciences from California Polytechnic University at San Luis Obispo. He credits his time spent studying at the Royal Botanic Gardens in Kew, London, with setting him on the path to living wall design. It was at Kew that he came to appreciate the beauty of epiphytic plants – those which have naturally evolved to grow vertically on trees.

David sees his work as an integral part of a public shift in consciousness towards a renewed sense of the value of nature and a growing appreciation amongst city-dwellers of the restorative effect of plants. For David, designing living walls affords the chance not only to promote awareness of native and endangered plant species but also to have a direct impact on quality of life.

The Habitat team combines unparalleled expertise in horticulture, botany, design and construction.

Hh team photos billy Billy Rose

Horticulturist & Quality Control Manager

Bio

Billy is a talented horticulturist who constantly pushes the boundaries of what is possible with one of the world’s most valuable and interesting resources: plants! In our ever-changing environment, Billy believes it is necessary to respect plants, while using them to our best advantage. This enthusiasm and intensity for all things green spurred from his roots growing up on a farm.

Billy’s primary role is to ensure that each installation is installed as specified, that all growing parameters our met and the system is functioning at its highest performance. Billy also his certified pest applicators license and develops Integrated Pest and Disease Management Programs for each site to help prevent and control any potential problems down the line.

Billy attended Cal Poly, San Luis Obispo, where he earned a degree in Environmental Horticultural Science, with a concentration in Nursery & Floriculture Production. He worked at the Cal Poly Plant Conservatory, as Head Curator, as well as at the Horticulture Unit on campus, as an orchid specialist. Billy’s background is heavily influenced by greenhouse systems that can be directly applied to any type of growing situation. Yes, that means living walls!

Hh team photos donna %281 of 1%29 Donna Shibata

Director of Community Outreach

Bio

Donna works with Habitat Horticulture’s team, architecture firms, local businesses and community-based organizations to bring living walls to our San Francisco neighborhoods.

Donna holds a Master’s in Business Administration from the Yale School of Management, a Juris Doctor from Stanford Law School, and a Bachelor’s of Art from the University of California, Los Angeles. Her prior experience includes serving as the Director of Finance and Administration for several nonprofit independent schools in San Francisco.

When she is not working on living walls, Donna can be found contributing to the community and other landscapes. She is a board member of the Mission Dolores Neighborhood Association, the Community Garden Coordinator with a community garden in the Mission, and a Collections and Garden Volunteer with the University of California, Santa Cruz Arboretum.

Hh team photos mickey Micky Mangan

Director of Operations

Bio

Mickey brings a keen sense of the construction process, formal design training, a professional attitude and a lifelong obsession with plants to Habitat Horticulture. His devotion and meticulous manner is crucial in ensuring each installation is not only executed successfully according to plan, but also on time, within budget. Mickey has worked on most of our major and more complex projects including SFMOMA, 45 Lansing, Tesla, Facebook and the California Academy of Sciences. Mickey is a proud graduate of the California Polytechnic State University, San Luis Obispo landscape architecture program.

Hh employees4 Mateo Aguilar

Systems Designer

Bio

As Systems Designer, Mateo helps layout and design our living wall and irrigation systems. He is also responsible for producing producing detailed CAD construction and shop drawings and is paramount in the transition from design to installation.

Mateo studied Industrial Design in Mexico City where he then specialized in recycled plastic composites for sustainable construction for 8 years and developed among other products materials for vertical garden companies. Mateo also obtained is Masters Degree in Advanced Sustainable Design at Edinburgh University in Scotland. His material and sustainable design expertise has helped Habitat Horticulture refine our products so they are not only the most efficient, but are the most sustainable meeting even the most stringent green building requirements set my the Living Building Challenge.

Mateo lives in San Francisco blocks away from Ocean Beach where he likes to surf in his free time.

Hh team photos lauren Lauren Valenti

Administrative Coordinator

Bio

Lauren keeps the wheels turning here at Habitat Horticulture. She coordinates with General Contractors, Architects, Sub-Contractors and Owners to make sure all insurance and workers compensation documentation is up to date and compliant. Her attention to detail and thoroughness can be attributed to her laboratory background working at the Marin Municipal Water District and for Camelbak LLC.

Hh employees kim Kim Sibbernsen

Office Manager

Bio

Bio coming soon...

Hh employees jason Jason Moon

Project Manager

Bio

Bio coming soon...

Hh employees rosh Rosh Tilden

Maintenance Manager

Bio

Bio coming soon...

Hh employees lucia Lucía Lamm

Architect

Bio

Bio coming soon...

Hh employees raphael Raphael Mora

Maintenance Foreman

Bio

Bio coming soon...

Hh employees mike Mike Casalegno

Installation Manager

Bio

Michael,​ our most heavily bearded plant lover, brings creativity, fun, and thoughtfulness to Habitat Horticulture. With a background that combines landscape and succulent design, urban farming, interior plant-scaping, construction and wood-working, Mike is a “jack of all trades”. Before joining the team, Michael was the horticulture director for public spaces in downtown Oakland and got his early start in the field at local nurseries.

Michael holds a degree in landscape architecture from California Polytechnic State University - San Luis Obispo. He is indebted to his parents, professors, and mentors who all instilled in him a love for the natural world and the ways in which plants enrich people’s lives and spaces. Don’t be surprised to bump into Michael at the occasional craft fair or rolling around in the dirt with his two dogs.

Hh team photos mat Matthew O'Brien

Maintenance Engineer

Bio

Mat has over 15 years of nursery production and agricultural engineering experience setting up and troubleshooting hydroponic greenhouse systems throughout the country. Mat helps provide 24hr technical support to our maintenance team and network of maintenance partners across the nation to ensure our systems our working properly and all the plants are growing under optimum conditions.

Hh employees2 John Donovan

Construction Manager

Bio

Hh employees3 Avi Jacobi

Controller

Bio

Coming soon...