Dr. Omari has accumulated extensive international consultancy experience, collaborating with leading organizations such as SPREP, GIZ, the Asian Development Bank (ADB), UK PACT, and the European Union (EU), often through partnerships with Eden Environmental Consulting Ltd (UK).
Since May 2025, he has been working with SPREP and Eden Environmental Consulting Ltd to prepare a GCF Project Preparation Facility (PPF) proposal for 14 Pacific Island countries, addressing pollution, waste management, and regional coordination. Previously, he contributed to GIZ (Nov 2023–Feb 2024) in developing an NDC financing strategy and stakeholder engagement framework.
Between 2021 and 2022, Dr. Omari provided technical consultancy services across multiple countries:
Vietnam (ADB): Supported the development of a Climate-Smart Agriculture (CSA) value chain infrastructure project, including baseline studies and climate profiles.
Colombia (UK PACT): Designed financial de-risking instruments, agricultural insurance tools, and MRV systems for GHG emissions.
Solomon Islands (SPREP): Conducted gap and barrier analyses for scaling up green finance for CSA, developed a stakeholder mapping framework, and proposed water-efficient technologies.
Cambodia (ADB): Developed comprehensive training materials for the Climate Bonds Standard expansion and agri-food transition.
Afghanistan (EU/NEPA): Supported the creation of the Afghanistan Climate Fund Unit (ACFU), facilitated climate finance workshops, and helped establish a stakeholder engagement platform.
In addition, he has contributed to climate risk assessment, vulnerability mapping, and proposal development for GCF readiness and adaptation projects in Vietnam, Cambodia, Colombia, and the Solomon Islands.
Hailing from the Pacific Island of Pohnpei, Federated States of Micronesia, Joshua is a climate finance practitioner focused on Small Island Developing States (SIDS). He specializes broadly in climate finance transparency, sustainable finance taxonomies, and the blue economy, focusing on providing strategic policy and program implementation. In his previous work experiences, Joshua worked with the United Nations Development Programme (UNDP) to develop regional country profiles of 6 Pacific Island nations and provide recommendations on blue economy sectors for the 2050 Strategy for the Blue Pacific Continent. In addition, he delivered a stock take report on climate change mitigation and adaptation strategies, NDCs, and energy subsidies across the following countries of Fiji, Kiribati, Marshall Islands, FSM, Nauru, Palau, Tonga, and Tuvalu. He has also served as a climate negotiator for the FSM at COP28 and COP29 to cover topics on oceans and climate finance and is a UNFCCC Nominated Expert for Micronesia.
Joshua currently serves as the Oceania Regional Representative for the Sustainable Ocean Alliance working on implementing the Blue Prosperity Entrepreneurship Fellowship (BPEF) in FSM and Tonga and is supporting Marine Spatial Planning (MSP) in the region. Additionally, he works full-time as a Climate Finance Specialist for the Center for Clean Air Policy (CCAP), where he directly supported the development of the recently launched Initiative for Climate Action Transparency (ICAT) Climate Finance Transparency Guide. Subsequently, Joshua has contributed extensively to the research and analysis of sustainable finance (green) taxonomies across 52+ jurisdictions, which has led to pr
His current affiliations include serving as an Expert Reviewer for the seventh edition of the Global Environment Outlook (GEO-7) UN Environment Programme (UNEP), a researcher UNFCCC YOUNGO Finance & Markets Working Group on establishing Loss and Damage and the NCQG for SIDS, and a affiliate of the Resilient and Sustainable Islands Initiative (ODI-RESI) on debt distress and access to climate finance, further demonstrating his rooted understanding of the Pacific.
