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Joshua w. Stanbro
Chief Resilience Officer
for the City & County of Honolulu
Executive Director
of the Office of Climate Change, Sustainability & Resiliency

Josh Stanbro is Honolulu’s Chief Resilience Officer, and serves
as the Executive Director of the Office of Climate Change, Sustainability and Resiliency. Josh has a deep background in sustainability and brings a track record of developing cross-sector partnerships to his role in Mayor Caldwell’s administration. He served as Environment and Sustainability Program Director for the Hawai‘i Community Foundation from 2009-2017, where he led the Hawai‘i Fresh Water Initiative and the Hawaiʻi Environmental Funders Group. Previous to HCF, Josh headed The Trust for Public Land’s Hawaiʻi Office, where he worked with local communities to permanently protect over 25,000 acres and dedicate over $200 million in land conservation funds. Josh graduated from Claremont McKenna College and earned a law degree from Berkeley Law. He also visited the William S. Richardson School of Law at the University of Hawai‘i at Mānoa where he earned the Cali Award in Native Hawaiian Rights. He and his family live in Pālolo Valley.

Phone: (808) 768-2277

Email Josh Stanbro

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justin gruenstein
deputy director and deputy chief resilience officer

Justin Gruenstein was appointed Deputy Director of the Office of Climate Change, Sustainability and Resiliency on July 1, 2017. In this capacity, he also serves as the city’s Deputy Chief Resilience Officer. Previously, he was the Executive Assistant to Mayor Kirk Caldwell responsible for policy matters relating to the environment, sustainability, and emergency management. He also served as the emergency coordinator for the Office of the Mayor and Managing Director, acting as the Mayor’s liaison to various emergency management agencies. Before joining the City and County of Honolulu, Justin spent five years in government relations with the County of Maui Mayor’s Office and an international civil engineering firm. Early in his career, he was a legislative assistant and policy analyst at the Washington State Legislature, where he served on the staff of both the chair of the Senate Environment, Energy & Water Committee and House Speaker Pro Tem. An alumnus of the University of Washington in Seattle, Justin currently serves as a member of the Hawaiʻi State Hazard Mitigation Forum and the University of Hawaiʻi Sea Grant College Program Advisory Council.

Phone: (808) 768-6603

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Matthew j. Gonser, AICP, CFM
coastal and water program manager

Matthew Gonser joined the City and County of Honolulu’s Office of Climate Change, Sustainability and Resiliency in October 2017. His position focuses on coastal and water issues and opportunities, with attention to community planning and design, natural hazards mitigation, sea level rise and climate change adaptation, and green infrastructure and stormwater management. Matthew also manages the Office’s development of a Resilience Strategy through the City’s award from the Rockefeller Foundation’s 100 Resilient Cities Program. Matthew previously served as the Community Planning and Design Extension Agent with the University of Hawai‘i Sea Grant College Program. He holds one of two Directors-at-Large positions with the Hawai‘i Chapter of the American Planning Association, is a member of the American Institute of Certified Planners (AICP), and is a Certified Floodplain Manager (CFM), as administered by the Association of State Floodplain Managers (ASFPM). Matthew has also served as the Vice Chair and Treasurer of the McCully-Mō‘ili‘ili Neighborhood Board. He also serves as an advisory council member for the state Department of Land and Natural Resources Kaulunani Urban and Community Forestry Program and volunteers as a Citizen Forester. Matthew earned a BS in Natural Resources Ecology and Management from Cornell University, and holds masters in both Regional Planning and Landscape Architecture, respectively, also from Cornell.

Phone: (808) 768-2276

Email Matthew Gonser

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Energy Program Manager

As Energy Program Manager, Rocky utilizes experience in energy, economics, and financial analysis to help the City plan, organize, and implement its energy programs and priorities. This includes the City’s commitment to stay in the Paris Agreement and reduce greenhouse gas emissions through energy efficiency, grid modernization, and renewable energy use in electric generation and transportation. Prior to joining the Office, Rocky served in a variety of roles as an economist for the Hawai‘iPublic Utilities Commission, an energy analyst for the State Energy Office, and a research analyst for AIG Investments in New York. Rocky earned a Masters in Economics and International Relations with a specialization in Emerging Markets Finance from the Johns Hopkins School of Advanced International Studies (SAIS), and B.A. in History from Yale University.

Phone: (808) 768-2279

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Ketty loeb, Ph.D.
Grants and Research Manager

Ketty joined the Office of Climate Change, Sustainability, and Resiliency to build out its grants portfolio, and also manages monitoring, learning & evaluation, data tracking, and workflow across the Office. With a Ph.D. in Political Science and more than a decade of experience working in the non-profit sector, she brings both academic and practice-based expertise on civil society capacity building, organizational development, project management, public policy, environmental politics, and comparative politics. 

Previously, Ketty worked as a lecturer in Political Science and Public Policy at University of Washington; as a grants manager at Honolulu’s East-West Center and at Sightline Institute, a Cascadia-focused sustainability think tank; and as a program evaluator for the American Bar Association’s Rule of Law Initiative. She has also worked on the foundational teams of several start-up non-profit organizations and served on the executive board of the Washington State China Relations Council. She has lived, researched and worked overseas, in China and Japan. She earned her M.A. and Ph.D. from University of Washington, and a B.A. in Asian Studies from University of Puget Sound. 

Phone: (808) 768-2278

Email Ketty Loeb

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molly pierce
communications and outreach manager

Molly Pierce joined the City and County of Honolulu’s Office of Climate Change, Sustainability and Resiliency in October 2018. Previously, she worked for a private communications firm and as a Committee Clerk at the Hawai‘i State Legislature. Molly holds a BA in Political Science from the University of Maine. She has served on the Kaimukī Neighborhood Board since 2017.

Phone: (808) 768-2280

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Uyen Vong
office manager and outreach specialist

Uyen Vong joined the Office of Climate Change, Sustainability and Resiliency in August 2017. Previously, she served as the community relations specialist at the Neighborhood Commission Office, overseeing over 400 volunteer board members. Prior to joining the City and County of Honolulu in 2014, Uyen worked at the Hawai‘i State Legislature as a legislative aide and committee clerk. 

Phone: (808) 768-4947

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Hayley Cook
External Partnerships & Network Mapping Coordinator
AmeriCorps VISTA

Hayley holds a B.S. in Sustainability from Arizona State University where she studied energy policy and practiced a systems-thinking approach to working on environmental challenges. Prior to graduating she participated in the McCain Institute’s Policy Design Studio in Washington, D.C., researching environmental foreign policy. She also spent time with the Clinton Global Initiative consulting on environmental stewardship projects for cross-sector organizations.

As a VISTA Member, this will be Hayley’s second term of national service, having completed a year with AmeriCorps National Civilian Community Corps, in which she collaborated with non-profits on service projects throughout the U.S.

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Joshua Ferrer-Lozano
Greenhouse Gas (GHG) Inventory & Policy ANalyst
AmeriCorps VISTA

A double-major undergraduate from Sonoma State University with degrees in Environmental Studies and Planning (ENSP) and Economics, Joshua is an advocate for creating sustainable and dynamic solutions using comprehensive approaches for public issues. 

He believes that understanding the economic aspect of public decisions (environmental or not) can provide the financial insight and groundwork for initiatives concerning Environmentalism, Urban Planning and Legislation to reduce greenhouse gas emissions.

Joshua has interned for the United States Senate in Washington, DC for the Sub-Committee on Environment and Public Works where it has influenced his interest in how community activism, economics and public policy can create and expedite sustainable solutions. He has interests in how local and international economic markets and technology influences not only public infrastructure but social preferences and conservation. 

Joshua wishes to further his studies in the Environmental/Economic fields utilizing emerging technologies and economics to build mitigation strategies for both private and public sectors.

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Nick Henner
energy & water efficiency coordinator
AmeriCorps VISTA

Nick was a 2016 Environmental Defense Fund Climate Corps Fellow, where he worked on global energy management projects for Boston Scientific Corp. Prior to beginning his graduate studies to pursue a career in sustainability, Nick spent four years working on the operations team at Victory Park Capital, a Chicago-based investment management firm.  

He holds his M.S. in Sustainability Management from American University in Washington, D.C. and a B.S. in Finance from the University of Arizona. Through his eco-travel and volunteer experiences, Nick developed a passion for environmentalism and sustainability.

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Holly Morgan
Sustainable & Resilient
Communities Coordinator
AmeriCorps VISTA

Holly holds a M.S. from the University of Edinburgh Geosciences Department's 'Carbon Management' program. While in the program, she focused on community-owned renewable energy systems, emission reductions project development, and sustainable food systems, and held a research assistant position with the University of Edinburgh Biochar Research Center reviewing the effectiveness of biochar-use as a greenhouse gas mitigation tool. For her dissertation, she interned with the African Conservation Tillage Network in Nairobi, Kenya, studying barriers to climate-smart agriculture strategy uptake in smallholder farms in Laikipia, Kenya. 

Holly is an alum of the University of Wyoming, and holds a double B.S. in Biological Sciences and Environment and Natural Resource Management. While she earned her degrees, she served as Sustainability Chair of the Environment and Natural Resources club- focusing on growing greater campus sustainability.