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Members and Opportunities



The Executive Committee meets on the second Tuesday of each month at 11:30am at the Center for Architecture. All members are welcome to attend the executive committee meetings. 

Center for Architecture

828 Fort Street Mall Suite 100, Honolulu, HI 96813

Join Us


If you are a current member of Hawaii ASLA, are looking to become one, or are interested in joining the executive committee or another committee, please send us a message.



Nancy Cassandro

Nancy Cassandro is Vice President and co-owner of Umemoto Cassandro Design Corporation (UCDC), a small landscape architecture firm located in Kailua.  UCDC has been providing Landscape Architectural services for over 20 years in the state of Hawaii, focusing on incorporating native plants, water conservation and creative sustainable designs for resort, commercial, campus and residential developments.  After earning her Bachelors of Science degree in Landscape Architecture from Cal Poly, Pomona, Nancy practiced in Southern California for several years working on a wide range of residential, public parks and streetscape projects.  She is licensed in Hawaii and Washington State. Currently, Nancy focuses her recent volunteer work on education and community service and is a registered Merit Badge Counselor with the Boy Scouts of America, guiding Landscape Architecture and Sustainability Merit Badges for youth in windward Oahu.

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Judith Stilgenbauer

Judith Stilgenbauer, ASLA, is a Professor of Landscape Architecture at the University of Hawaii School of Architecture, where she serves as MLA Program Director.  Prior to joining the faculty at UH, she taught at UC Berkeley's College of Environmental Design for nine years.  A registered Landscape Architecture in Germany, Stilgenbauer is frequently invited to serve on professional awards injuries and has published and lectured widely.  In her creative work in teaching, applied research and practice, Judith Stilgenbauer examines the role of process, performance, and placemaking in public open space design and ecological urbanism across a variety of scales.

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Brian Wolf

Brian Wolf, ASLA, LEED AP is an Associate and Landsacpe Architect at PBR Hawaii where his 10+ years of professional experience runs the gamut from institutional & mixed use commercial developments to luxury resort destinations.  Born in Indiana, but raised in New Jersey, he received his Bachelor of Science degree in Landscape Architecture from Cornell University in Ithaca, NY.  As a LEED Accredited Professional, Brian plays a leading role in designing sustainable and context-sensitive projects anticipating LEED Certification, including Punahou School's new Kosasa Grade 2-5 community.  Brian's passion for outdoor learning environments is further enriched by his wife, Meleana, who is a Kindergarten teacher at Punahou.




Simon M. Bussiere is an Assistant Professor in the School of Architecture at the University of Hawaii at Manoa.  Bussiere's studios and seminars focus on exploring ecological patterns and processes as the key drivers of urban form.  He currently teaches courses in urban ecological design and experimental modes of design representation.  Simon practiced as a Landscape Architect in Australia after graduating from the University of Massachusetts Amherst and the Graduate School of Design at Harvard where he focused on international projects in landscape, architecture and urbanism.  With a background in landscape ecology and visual art, and an expertise in conceptual design, community engagement and design communication, his work bridges ecological principles with contemporary design methods to help shape new environments around the globe.

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Vice President

Robyn Sweesy

Robyn's 28-year career in Landscape Architecture began in 1989, when she graduated with a Master's degree (MLA) from Harvard Graduate School of Design.  Returning home to Hawaii, her school temperate climate plant palette had little application (yay to UH Manoa MLA program), but with her newly acquired professional skills, she designed resort, residential, commercial, and trail landscapes - including Waikoloa Resort's ourdoor amphitheater. Since 2004, Robyn has also met the challenges of master planning - including Hilo Bayfront Trails and Kawainui-Hamakua Complex - Conducting feasibility studies, and preparing cultural landscape documentation at HHF Planners, where she is a Senior Associate and LEED AP, Robyn enjoys gardening - Past President and gardener at Manoa Community Garden, City & County of Honolulu Community Recreational Gardening Progam - and actively seeks out landscape restoration community service opportunities with the Division of Forestry and Wildlife.  She is a member of Society for Ecological Restoration and the nonprofit organization Trees for Honolulu's Future.

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Caasi Shimono

Coming Soon!

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Ray Higa

As a Senior Associate at PBR Hawaii, Mr. Higa brings forth over 22 years of experience in landscape and urban design, site and land use planning, irrigation design, construction drawing, graphic design and presentation and Computer Aided Design (CAD).  He has had the opportunity to serve as Project Manager on various projects, from public parks to exclusive resorts.

Mr. Higa's work experience in Washington, Oregon and Hawaii helps provide a diverse approach to landscape design.  With a variety of projects like Portland Oregon's West Side Light Rail, Portland Stormwater Garden, and Seattle's 5th Avenue Street End Park, Mr. High has the ability to work on and with a wide array of team members essential for a project's success.

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Member At Large - Oahu Island

Nicole Swanson

Coming Soon!


Member At Large - Oahu Island

Kelsey Wai

Coming Soon!

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Member At Large - Maui Island

David Sereda

David has been employed as a Landscape Architect with Chris Hart & Partners since2001.  He has wroked on over 400 landscape architecture design and construction projects.  Notable projects include: AC Hotel Wailea, Wailea Residence Inn, Kaanapali Beach Club & Hoolei Hotel Resort as well as numerous Single Family Residences.  Mulit-Family Developments and Master Plans.  David serves on the County of Maui Urban Design Review Board. Previously, David was employed in Canada as a Land Use Analyst with a focus on sustainable guidelines for resort communities.  David has a Bachelor in Economics and a Master in Landscape Architecture.


Member At Large - Hawaii Island

Leonard Bisel

Coming Soon!

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