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    About Us

    FUSE is a national nonprofit dedicated to increasing the capacity of local governments to engage communities and work more effectively for everyone.

    About us Overview

    Our Model

    The FUSE Model centers around a one-year full-time public service role in city or county government and includes three primary phases from start to finish.

    Our Fellows & Alumni

    FUSE Executive Fellows and Alumni are experienced leaders committed to to driving positive societal change through action-oriented partnerships with government agencies.

    FUSE Careers

    FUSE is a national nonprofit dedicated to increasing the capacity of local governments to engage communities and work more effectively for everyone.

    Our Team

    The FUSE team and board of directors are committed to driving change locally and nationally.

  • Work with FUSE

    Work with FUSE

    The power of government. The experience of community. The impact of new ideas. Together we can build better systems

    Work with FUSE Overview

    Partner With FUSE

    The FUSE Model centers around a one-year full-time public service role in city or county government and includes three primary phases from start to finish.

    Executive Fellowship Program

    FUSE Executive Fellows and Alumni are experienced leaders committed to to driving positive societal change through action-oriented partnerships with government agencies.

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    Read more about our work, partner success, and updates.

  • Our Projects

    Our Projects

    Explore our diverse portfolio of projects where FUSE Executive Fellows partner with local governments to accelerate systems change and create lasting impact across communities nationwide

    View All Projects

    Health

    Strengthening healthcare systems and expanding community services.

    Justice

    Transforming criminal systems for safer, more equitable communities.

    Education

    Creating learning opportunities and pathways to student success.

    Climate

    Building climate resilience and renewable energy infrastructure.

    Housing

    Expanding affordable options and protections for vulnerable residents.

    Workforce

    Fostering living-wage jobs and inclusive workforce development.

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Apply for the Fellowship
FUSE Executive Fellow Mario De la Ossa

Mario De la Ossa

2024-2025 | New York City – Department of Environmental Protection

Monetizing Renewable Energy Investments

MARIO DE LA OSSA specializes in renewable fuels project development and sustainability programs and has deep expertise in leading asset management, commercial structuring, and optimization teams. Before focusing on renewables, he led commercial and asset optimization activities for a privately owned refinery. He has held senior commercial roles for oil majors and trading organizations. Mario served as a US Naval officer and holds an MA from Norwich University and a BS from the US Naval Academy.

Project

The Department of Environmental Protection (DEP) in New York City is undertaking ambitious initiatives to achieve carbon neutrality by 2050 and divert all waste from landfills by 2030. DEP is exploring renewable energy and resource recovery projects to realize these goals, focusing on the co-digestion of wastewater and food waste and harnessing thermal energy from its wastewater collection system. Partnering with FUSE, the city aims to leverage the expertise of FUSE Executive Fellow Mario De la Ossa to establish relationships, analyze the business case, and design implementation plans, ensuring the success of these innovative projects by April 2025.

One Embarcadero Center

Unit 26070

San Francisco, CA 94126

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