Philanthropic Advising For a Thriving Planet

We help philanthropists, foundations, and science-driven organizations direct knowledge, partnerships and resources toward protecting our planet and advancing a more sustainable future.

Because there is no better investment than the planet that sustains our lives and our health.

ClimaDiem Advisors helps bridge the information and network gaps between science-based innovation, and the philanthropic capital needed to bring solutions to life and scale their impact.

Why We Are Here

Through our advisory services, we help philanthropists and mission-driven organizations navigate opportunities across climate, biodiversity conservation and sustainability, and connect the right expertise and resources to advance them. We understand both the science and the strategy, and how to connect the two.

Who We Advise

We work with those deploying philanthropic capital and those advancing science-based solutions for a thriving planet.

  • Foundations and Philanthropic Institutions

  • Individual Philanthropists and Advisors

  • Funder or Advisor Communities

  • Science and Mission-Driven Organizations

  • Researchers and Academic Institutions

Drawing on expertise across environmental science, philanthropy and strategic partnerships, we provide tailored advisory services to help clients navigate complexity, identify opportunities and advance their goals.

What We Offer

Core Advisory

Engagement and Visibility

“Diane combines a deep analytical and technical knowledge of climate and sustainability, a high-powered go-getter approach to projects, and a kind, high-EQ approach to people, institutions and their subtleties. She hit the ground running, digested and re-digested a thorny strategic space in no time at all, and gave a major boost to our projects and teams! I wholeheartedly recommend her and expect that she'll make great contributions to solving humanity's climate problems going forward!”

Adam Marblestone, CEO, Convergent Research

What Clients Are Saying

“Diane quickly understood the uniqueness of what we bring to biodiversity conservation and was able to give us solid guidance and suggested language to best communicate to foundations and philanthropists. She also helped us structure our outreach strategy, identify priority prospects, provide concrete guidance and draft content for outreach emails and grant proposals, and reach out to funders in her network on our behalf. Diane is highly professional and extremely easy to work with, and I highly recommend her services!”

Ann Pace, Executive Director, Wise Ancestors

Diane Matar Headshot

Meet the Founder

Diane Matar has spent over 20 years working at the intersection of science, nonprofits and philanthropy, helping foundations, philanthropists, and scientific leaders turn ambitious ideas into meaningful impact. Through ClimaDiem Advisors, she combines deep expertise in climate science and biodiversity conservation with strategic advising that helps partnerships achieve lasting change.

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