Stephen Hammer

Stephen Hammer serves as Chief Executive Officer at The New York Climate Exchange. The New York Climate Exchange operates in the nonprofit organization management sector with approximately 35.0 employees. The company is headquartered in New York, New York.

Industry & Role Insights

• • MessageCEO tracks 5,752 executives in the nonprofit organization management sector.
• • 6,952 executive contacts are available in New York.
• • Our database includes 201,468 c suite-level executives.

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Kadidia Cooper Chief Financial & Operations Officer at 10,000 Degrees

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Julien Ancele Directeur général / CEO at 1001fontaines

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Louis Negron Executive Director & Chief Operating Officer at 100 Black Men of Atlanta, Inc.

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Karina Guy Chief Executive Officer at 100 Companies that Care

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Dom Wood Chief Executive Officer at 1625 Independent People

Outreach Guidance — nonprofit organization management Sector

Executives like Stephen Hammer in the nonprofit organization management 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 The New York Climate Exchange.

Stephen Hammer's Position in the MessageCEO Database

• •Stephen Hammer is 1 of 1 verified executive contact we track at The New York Climate Exchange.
• •5,654 verified executive contacts in nonprofit organization management are in the MessageCEO database.
• •6,778 verified executive contacts in New York are in the database.
• •51 verified contacts work at nonprofit organization management companies in the 35.0 employee range (same size as The New York Climate Exchange).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Stephen Hammer directly?

Stephen Hammer's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at The New York Climate Exchange. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Stephen Hammer work for?

Stephen Hammer is Chief Executive Officer at The New York Climate Exchange, a company in the nonprofit organization management sector with 35.0 employees. The company is based in New York, New York.

Can I pitch or sell to Stephen Hammer?

As Chief Executive Officer at The New York Climate Exchange, Stephen Hammer is a key decision-maker in the nonprofit organization management sector. MessageCEO Pro gives you verified email to reach Stephen Hammer directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Stephen Hammer in?

Stephen Hammer works in the nonprofit organization management industry as Chief Executive Officer at The New York Climate Exchange. MessageCEO provides verified contact information for executives across all major industries.

Is Stephen Hammer's contact information verified?

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

Last updated: July 28, 2026