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John Keisler

CEO & Managing Partner

John P. Keisler is currently the CEO & Managing Partner for Sunstone Management Inc., a venture capital firm located in Southern California that invests in diverse early-stage technology startups through innovative public-private-partnerships that blend unique expertise across government, education, and private sectors.

Previous to Sunstone Management, Mr. Keisler spent over 20 years in public service, most recently as the Economic Development Director for the City of Long Beach.  With approximately 500,000 residents, the City of Long Beach is the 7th largest city in California and a major engine of economic development for the region and the nation through its university, history of aerospace manufacturing, and its international seaport.  Under his leadership, the organization created an innovative Blueprint for Economic Development, and helped to facilitate an historic increase of private sector investment in the city.  The mission of the award-winning organization, and John’s personal passion, is to increase equitable economic opportunities for workers, investors, and entrepreneurs in Long Beach and throughout California.

John Shen

John Shen

Founding Partner

John Shen is the founding partner of Sunstone Management Inc., a southern California-based diversified private capital management and investment firm. He received his undergraduate degree with a major in commercial law from Peking University in 1992 and a Master of Science degree in Statistics and Decision Sciences from Duke University in 1996.

Mr. Shen previously served on the City of Long Beach Economic Development Commission, appointed by Mayor Robert Garcia, and currently serves on the City of Irvine Innovation Council, appointed by Mayor Farrah Khan. Mr. Shen’s projects have collectively created approximately 10,000 full-time jobs throughout the U.S. and properly supported over 600 high net worth foreign families in their immigration petitions. He is a recipient of Duke University’s Forever Duke award for outstanding alumni. He was also a Coleman Report’s SBA 504 Lender of the Year for his outstanding leadership and contributions to business lending nationwide.

Mike Stone

Mike Stone

Chief Investment Officer & Partner

Mike Stone is Sunstone Management’s Chief Investment Officer. Mr. Stone has 15 years of experience in the information technology industry and another 16 years in finance. He began his career in the Marine Corps leading software development and consulting senior officers including generals on deploying technology. He has experience working in capital raising for startups, systems consulting, and managerial roles at firms like Oracle and Siebel where he advised startups, mid-size, and fortune 100 companies.

Following his career in technology, Mr. Stone was recruited by Alliance Bernstein, where he advised institutional and private clients and obtained his Chartered Financial Analyst (CFA) designation. Next, he was recruited by Morgan Stanley, where he advised clients on alternative investments including venture capital. Mr. Stone looks forward to helping Sunstone shape the founder ecosystem with an integrated and cohesive blend of public sector, private sector, non-profit, and university engagement, removing barriers, democratizing access to capital and expertise, and opening new pathways for founders to gain equitable access to capital and critical guidance.

Stella Zhang

Stella Zhang


Stella Zhang is a partner of investment firm Sunstone Management. Ms. Zhang grew up in China and came to the US in 1997. She obtained her MBA degree from the Paul Merage School of Business at the University of California, Irvine (UCI) in 2005.

Ms. Zhang helped guide Sunstone to become an innovative ecosystem builder, startup sponsor, and community supporter. Sunstone formed a strategic partnership with California State University, Long Beach (CSULB), and became the main sponsor of the Sunstone Innovation Challenge. Sunstone also partnered with the City of Long Beach and CSULB Institute for Innovation and Entrepreneurship (IIE) to found the Long Beach Accelerator. Stella led the creation of the Stella Zhang New Venture Competition at her alma mater, UCI. Under her leadership, Sunstone made back-to-back appearances on the Inc. 5000 list of Fastest Growing Private Companies and the Financial Times list of Fastest Growing Companies in the Americas.

Queena Zhao

Queena Zhao


Queena Zhao obtained her Masters in Computer Information Systems from Boston University in 2004. She has many years of experience in financials and human resources. She is currently Chief Financial Officer of American Lending Center Holdings.


Jennifer Huang

PR Manager

Jennifer obtained her degree from UC Berkeley. She is currently Public Relations Manager of Sunstone Management.


Jasmine Jiang

Fund Manager and Investment Advisor

With over six years of experience in the financial services industry, Jasmine has extensive experience in private funds management including raising fund, sourcing, and executing venture capital equity investments. As an investment advisor, Jasmine works closely with high-net-worth clients to tailor practical solutions that meet the complex needs of affluent individuals and families.

Jasmine earned her masters degree from the University of Southern California. She speaks fluent Mandarin and English.