Who we are

Sunstone Management is a diversified private capital firm located in Southern California that invests in diverse early-stage technology entrepreneurs who seek to build great companies. We believe in the aspirational power of the American economy to attract and inspire investors and entrepreneurs from throughout the world. We deliver new and exciting opportunities for economic growth through the creation of innovative public-private partnerships, and our unique experience across government, education, and private sectors.

Read about who we are

Investment Philosophy

Our overarching philosophy is focused on long-term success, centered on three key components.

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Founder Focused

We invest—both capital and technical assistance—in diverse, high-quality people with a demonstrated passion for solving challenging problems. We invest at the earliest stages of development to capture value and strengthen the chances of long-term success.



We invest in market modern technologies—products, services, and solutions—that are highly and quickly scalable, and can modernize the way we do business across all sectors.

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We invest in sustainability—financial, social, and environmental—that promises long-term growth for both our investors and our investments. We believe that sustainable business is good business.

Sunstone Community Fund

The Sunstone Community Fund is committed to catalyzing partnerships that create economic opportunities for startup founders and communities throughout the United States. That’s just one of the reasons why we choose to give back to the community. Our initiatives include the Sunstone CSU Startup Launch Competition, University of California Born in California, Sunstone Innovation Challenge, Stella Zhang New Venture Competition, and many more.

Read more about how Sunstone gives back

Meet our Founders

This month’s Founder Focus interviews with entrepreneurs and Sunstone community partners.

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Sunstone sits down with Dr. Yi Chao, CEO and founder of renewable “blue tech” startup Seatrec.

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Rising star Kurt Busch is the CEO and founder of AI and deep learning company, Syntiant.


Evolectric co-founders Jakson Alvarez and Bill Beverley turn their dream into reality with the involvement of Sunstone and the Long Beach Accelerator.

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Gritty In Pink

Gritty In Pink’s Shira Yevin on communicating, connecting and providing a market for talented women.