John Keisler

John Keisler serves as CEO & Managing Partner of Sunstone Management Inc. at Sunstone Management. Sunstone Management operates in the venture capital & private equity sector with approximately 34.0 employees. The company is headquartered in Long Beach, California.

Industry & Role Insights

• • MessageCEO tracks 865 executives in the venture capital & private equity sector.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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Outreach Guidance — venture capital & private equity Sector

Executives like John Keisler in the venture capital & private equity sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at Sunstone Management.

How do I reach John Keisler directly?

John Keisler's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO & Managing Partner of Sunstone Management Inc. at Sunstone Management. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does John Keisler work for?

John Keisler is CEO & Managing Partner of Sunstone Management Inc. at Sunstone Management, a company in the venture capital & private equity sector with 34.0 employees. The company is based in Long Beach, California.

Can I pitch or sell to John Keisler?

As CEO & Managing Partner of Sunstone Management Inc. at Sunstone Management, John Keisler is a key decision-maker in the venture capital & private equity sector. MessageCEO Pro gives you verified email to reach John Keisler directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Keisler in?

John Keisler works in the venture capital & private equity industry as CEO & Managing Partner of Sunstone Management Inc. at Sunstone Management. MessageCEO provides verified contact information for executives across all major industries.

Is John Keisler's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. John Keisler's profile is kept up-to-date with the latest available information.

Last updated: May 13, 2026