

Meet Our Keynote
Michael Chang is First Vice President, Head of Sustainability & Resilience at Host Hotels & Resorts, the nation’s largest lodging REIT and an S&P 500 company. He leads Host’s enterprise strategy on sustainability, climate resilience, energy, water stewardship, and corporate responsibility, integrating these priorities into investment, asset management, capital planning, and business decisions across the company’s portfolio.
As a long-time owner in Hawai‘i, Host recognizes that the enduring success of its hotels is connected to the health of the islands’ natural resources, communities, and visitor economy. Michael helps translate that commitment into property-level investments and operating practices—from water-efficiency projects and LEED-certified, high-performance buildings to renewable energy and climate-resilience planning. He has also directed Host’s $5 billion sustainable-finance strategy, including $2.5 billion in green-bond allocations, helping connect these investments to efficient operations, long-term risk management, and asset value.
Beyond Host, Michael is Co-Chair of the American Hotel & Lodging Association Sustainability Committee and serves on the Executive Committee of Nareit’s Real Estate Sustainability Council. He holds an M.A. in International Energy Management and Policy from Columbia University and a B.A. in Economics from New York University.

Michael Chang
Host Hotels & Resorts
Speakers


Randy Anderson
AquaRecycle
Randy is one of the founders and owners of AquaRecycle. He holds B.S. and M.S. degrees in Mechanical Engineering and is a registered P.E. in Florida. Prior to AquaRecycle, he worked in the recycling of other types of industrial wastewaters. His expertise with water filtration stems from his masters thesis research in water disinfection through the use of solar energy, a program support by both NASA and the U.S. Department of Energy.

Holly Cannon
ERG
Holly Cannon, a senior environmental scientist with ERG, has dedicated her career to promoting water efficiency and sustainable facilities management. She has supported EPA's WaterSense program since its inception in 2006, specializing in water efficiency in commercial and institutional buildings. Holly has also completed field water use and conservation assessments at dozens of federal facilities.

Robert De Robles
County of Maui Department of Water Supply (DWS)
Robert is a Senior Planner with the County of Maui Department of Water Supply, where he leads programs and initiatives spanning infrastructure, resource planning, public policy, regulatory compliance, and organizational transformation. He holds two master’s degrees from KTH Royal Institute of Technology in Architectural Design and Construction Project Management and Real Estate Development and Financial Services.

Bob Drew
Ecovie
Robert is the founder and CEO of Ecovie Water Management, which specializes in on-site water management for individual buildings. Ecovie focuses on the capture and re-use of rainwater and on greywater recycling. Bob has held positions in engineering and R&D in the USA, Latin America, and Europe, managing large innovation and engineering projects.

Bryce Gerritsen
U.S. Green Building Council
Bryce is the Regional Director for the Pacific for the U.S. Green Building Council, with 20 years of experience advancing sustainability and market transformation. A LEED AP and BREEAM In-Use Assessor, he has helped organizations identify more than $80 million in savings and certify over 3 million square feet of real estate. He will discuss how LEED v5 addresses critical water conservation challenges for island environments and beyond.

Kena Guguman
Pural Water Specialty Co.
Kena Gugudan is a Senior Account Manager with Pural Water Specialty Co., Inc., specializing in chemical water treatment, water softeners, heat exchangers, chemical cleaning, and Water Management Plans. He has collaborated with federal, state, and local agencies to pilot and promote water conservation and efficiency programs throughout Hawaii.

JB Hinds
Birchline Planning LLC
Juli Beth Hinds is the founding Principal of Birchline Planning LLC, providing public and private-sector clients with expertise in land use planning, water resources, program development, and public communications. She has 20+ years of consulting experience and over a decade leading municipal planning initiatives.

James Jensen
County of Maui Department of Water Supply (DWS)
James is Chief Engineer for the County of Maui Department of Water Supply. He brings 20 years of private consulting engineering experience in California working on the design and construction of various forms of infrastructure involving roads and water. Prior to Maui Water, he held roles in the Maui Dept. of Public Works and the City of Santa Rosa.

Pōmaikaʻi Kaniaupio-Crozier
Aloha Puʻu Kukui
Pōmaikaʻi is the Conservation Director for Aloha Puʻu Kukui, managing the Puʻu Kukui Watershed Preserve for Maui Land & Pineapple. A UH Mānoa graduate, former Hawaiian Studies instructor, and fluent Hawaiian speaker, he brings 15+ years of watershed stewardship, traditional ahupuaʻa resource-management knowledge, and leadership across watershed conservation, wildfire mitigation, and climate initiatives.

Curtis Miyashiro
Mana Wai Solutions
Curtis Miyashiro is a Water Systems Consultant with Mana Wai Solutions. Having experience with atmospheric water generators and greywater recycling technologies has given him a passionate vision of seeing stewardship opportunities by providing water security and resilience not only for today but more importantly for future generations. Ola I ka wai.

Jon Nagato
Hawaii Department of Health
Jon is the Engineering Program Manager of the Department of Health, Wastewater Branch, that administers the Wastewater Treatment Works, Individual Wastewater System, Reuse Water, Clean Water State Revolving Fund, Pumper and Hauler, and Biosolids Reuse programs. He has more than 30 years of experience in the wastewater industry. Jon earned his BS in Civil Engineering from the UH at Mānoa and MBA from Hawaiʻi Pacific University.

Robbie Pickering
ERG
Robbie Pickering is a Senior Environmental Engineer and LEED AP O+M with ERG. He has spent more than 15 years developing technical resources and trainings related to water efficiency in the built environment, primarily for EPA’s national water efficiency program, WaterSense. He previously served as Vice Chair of the LEED Water Efficiency Technical Advisory Group.

Scarlet B. Rendleman
County of Maui Department of Water Supply (DWS)
As a Water Resource Planner for DWS, Scarlet seeks to advance ecological stewardship and regenerative strategies to safeguard the waters of Maui Nui. Her work integrates expertise in landscape architecture (Harvard University), urban planning (UNM), and collaboration with Indigenous communities to build resilient, place-based solutions for future generations.

Katie Roth
Hawaii Department of Land and Natural Resources (DLNR), Commission on Water Resource Management (CWRM)
Katie is the Planning Branch Chief with the Commission on Water Resource Management. Over her 15-year career with the State, she has supported freshwater and watershed protection efforts. She leads CWRM’s water resource planning team and holds a B.A. in Urban Studies & Planning (UC San Diego) and a Master’s in Urban & Regional Planning, (UH Mānoa).

Tamara Sherrill
Maui Nui Botanical Gardens
Executive Director of Maui Nui Botanical Gardens since 2014, Tamara has spent more than two decades preserving and promoting native Hawaiian and canoe plants. She oversees a leading public collection and community programs and will share practical guidance on native plant selection and drought-tolerant species for commercial landscapes.

Melissa Unemori Hampe
SR Partners LLC
Melissa is a Partner with SR Partners LLC, based on Maui. For decades she advanced initiatives through government relations, nonprofit advocacy, grants, and community engagement. She supports Maui’s post-wildfire water recovery efforts, including R-1 water initiatives, the Wai Dashboard, and the Hawaiian Islands Environmental Finance Center.
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Breana Wheeler
BREEAM USA
Breana Wheeler has led BRE’s US operations since 2016, advancing BREEAM, the world’s leading science-based sustainability certification for the built environment. She oversees BREEAM standards in the US and supports resilience and social impact research, drawing on a decade of experience in corporate sustainability risk management.

Michael Boyko
WaterTectonics/Dynamic Water
Michael Boyko is a Senior Project Executive at WaterTectonics specializing in cooling tower, industrial water, wastewater, and water reuse solutions. A co-founder of Dynamic Water Technologies, he brings more than 20 years of experience helping customers reduce water use, chemical consumption, and operating costs.

Annikki Chamberlain
Mimir Water
Annikki founded Mimir Water in 2020 to help facility teams embed practical water-efficiency strategies into daily operations. She works with diverse facilities to save time, money, water, and equipment life. She created a mobile assessment platform to support field-based decision-making and has trained hundreds of technicians.

Jason Dennis
Hyatt Regency
Jason “JD” Dennis is the Landscape Manager at the Hyatt Regency Maui Resort and Spa, where he leads regenerative landscaping initiatives that support reef protection, biodiversity, and sustainable hospitality. Passionate about mālama ʻāina, he champions natural land stewardship, on-site food production, and guest education programs that connect people with Maui’s unique ecosystem.

Sara Gabrielson
Hawaii Wildfire Management Organization (HWMO)
Sara Gabrielson, PhD, is Regional Coordinator for Pacific Fire Exchange, a Hawaiʻi-based science communication program that aims to improve fire outcomes in Hawaiʻi and the Western Pacific by pursuing, translating, and sharing fire science and research. She supports collaboration between researchers, land managers, and emergency responders.

David Goode
Ledcor Maui
David Goode, Director of Land Development for Ledcor Maui, leads complex projects from planning through construction. A former Maui Public Works Director and current Wailea Community Association President, he brings expertise in infrastructure, regulations, public policy, environmental stewardship, and sustainable community development.

Dylan Herndon
County of Maui Department of Water Supply (DWS)
Dylan Herndon is Water Treatment Plant Division Chief for the County of Maui DWS (2024–present). With 10+ years in water treatment operations, he is best known for commissioning the Bullitt Center's rainwater-to-potable system in Seattle — featured on the cover of Engineering News-Record, July 2019.

Eric Hough
EpicCleanTec
Eric Hough is Chief Commercial Officer at Epic Cleantec, leading business development and project delivery. He holds a degree in environmental engineering and has over 15 years executing a wide range of water reuse projects. He's passionate about guiding the AEC industry and public agencies toward sustainable water strategies and solutions.

Jeffery Jurickovich
Sperber Companies
Jeffery Jurickovich is a landscape irrigation auditing specialist focused on advanced water management. He specializes in Central Controlled Smart Irrigation Systems, integrating localized weather data and sensors to optimize system efficiency. Jeffery has over 30 years of commercial landscape irrigation water management experience.

Angelique
Kekuewa
Mana Wai Solutions
Angelique Kekuewa is a Hawaiʻi-born entrepreneur and Founder of Mana Wai Solutions. Deeply rooted in mālama ʻāina and Hawaiian values of stewardship, she is passionate about protecting water for future generations. She helps homeowners, businesses, and developers improve water security in Hawaiʻi through graywater recycling, atmospheric water generation, and sustainable conservation solutions.

James Mothersbaugh
WaterTectonics
James Mothersbaugh is the Founder of WaterTectonics and has spent more than 50 years advancing innovative water treatment technologies. An inventor and patent holder in electrocoagulation processes, he has helped develop sustainable solutions for complex water and environmental challenges.

Neu-Wa O'Neill
AHL
Neu-Wa O’Neill, AIA, is a Principal at AHL with 20+ years of experience delivering complex projects across Hawai‘i. At AHL, he has contributed to a range of hospitality, residential, retail, and institutional projects. He brings a collaborative approach to his work that reflects a statewide practice rooted in place-based and responsive design.

Doug Pushard
KUELWater/HarvestH2O
Doug is a life time ARCSA member and former board member. Founder of HarvestH2o, LLC, he co-authored two widely published water industry studies, teaches water efficiency certification programs, co-founded the Water Efficiency Rating Score program, co-founded Greywater Alliance, and co-chairs the Next Generation Water Summit.

Ken Ricisak
Pural Water Specialty Co.
Ken Ricisak serves as Technical Support Advisor for PURAL Water Specialty Co., bringing 45 years of experience in industrial water treatment and consulting. His expertise includes cooling water and steam generation chemistry, polymer applications, environmental remediation, water clarification, and Zero Liquid Discharge (ZLD) technologies.

David Sellers
Hawaii Off Grid
David Sellers co-founded HIOG, a sustainable architecture and engineering firm, and led major renewable energy and wildfire recovery projects in Hawaiʻi. A former Nature Conservancy operations leader and AIA Maui president, he advances resilient sustainable design, mass timber, affordable housing, and community recovery efforts.

Yoash Tilles
County of Maui Department of Water Supply (DWS)
Yoash is a Civil Engineer with the County of Maui Department of Water Supply. With more than 20 years of experience in the public and private sectors, he has led and supported water, wastewater, roadway, stormwater, and public works projects. He also has extensive emergency response experience during flood and wildfire events.

Francois Van Wynsberge
Johnson Controls
Bio coming soon.

Allison Wright
BrightView
Bio coming soon.