Building our sustainable future. Together.

Sustene Global is an international, women-owned environmental advisory and capital firm connecting mission-driven partners to purpose-driven opportunities to build our sustainable future together. As trusted advisors, we empower our clients to achieve their economic and net-zero goals.

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Our Approach

We provide sustenance in the form of ideas, partnership, resources, and capital that inspire growth, mitigate risk, and scale long-term value. With more than 100 years of combined experience, our trusted advisors join your executive family to expedite plans with an emphasis on traction to action that achieves sustainable outcomes and success at all levels.

We are custom where it counts—understanding that each client has a unique challenge that requires a one-of-a-kind approach. Our adaptable methods and dynamic team of creative problem-solvers meet you where you are in the journey toward a sustainable future, whether that means developing a strategic blueprint, operationalizing an existing plan, building a collaborative team of execution partners, or securing the capital necessary to move forward.

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Practice Areas

As trusted advisors, Sustene Global enables you to achieve your economic and net-zero goals through our advisory and capital services.

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Sustene Global partners with you to build a long-term vision that balances the human, natural, and financial needs of today while being ready to anticipate and adapt to change in the future.


Sustene Global helps you define your energy needs and identify opportunities to transform energy supply to more scalable, renewable, and sustainable options.


Sustene Global specializes in harnessing emerging technologies and tapping into cutting-edge thinking to transform organizations into future-ready, resilient powerhouses that thrive in an ever-changing landscape.


Sustene Global unlocks public, private, and philanthropic investment, to advance sustainability priorities and achieve economic goals.

Leverage Today’s Technology to Solve Tomorrow’s Obstacles

Let us unlock your authentic purpose to do good in the world.

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Meet Our Team

We partner with you to accelerate the sustainable future.

Kelly Dittmann

Chief Executive Officer, President and Co-Founder

Kelly leads our advisory and capital business. As trusted advisor, she orchestrates executive top-line sustainability strategies and develops solutions to unlock social, environmental, and economic value.

Keith Chiavetta

Chief Financial Officer and Co-Founder

Keith works with private equity, public and private companies, and non-profits to provide actionable insights, advice, and implementation plans.

Michelle Ortega

Chief Operating Officer

Michelle is an innovative strategist focused on transforming organizational design and process with prioritizing the employee and customer experience.

Jay Runner

Chief Innovation Officer

Jay leads our climate initiatives, emerging technologies and capabilities related to optimizing risk for large-scale programs.

Miel Johnson

Chief of Staff, Business Development and Government Relations

Miel focuses on business development, go-to-market and growth strategies, client relationship management, and governmental affairs.

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