Peter Williams

Peter Williams serves as President/CEO at IIRR. IIRR operates in the nonprofit organization management sector with approximately 270.0 employees. The company is headquartered in New York, New York. IIRR generates annual revenue of 7889000.0.

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 201,469 c suite-level executives.

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Outreach Guidance — nonprofit organization management Sector

Executives like Peter Williams 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 IIRR.

Peter Williams's Position in the MessageCEO Database

• •Peter Williams is 1 of 1 verified executive contact we track at IIRR.
• •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.
• •47 verified contacts work at nonprofit organization management companies in the 270.0 employee range (same size as IIRR).

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 We do not publish personal addresses or sensitive identifiers.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 Peter Williams directly?

Peter Williams's verified email address is available to MessageCEO Pro subscribers. They currently serve as President/CEO at IIRR. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Peter Williams work for?

Peter Williams is President/CEO at IIRR, a company in the nonprofit organization management sector with 270.0 employees. The company is based in New York, New York.

Can I pitch or sell to Peter Williams?

As President/CEO at IIRR, Peter Williams is a key decision-maker in the nonprofit organization management sector. MessageCEO Pro gives you verified email to reach Peter Williams directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Peter Williams in?

Peter Williams works in the nonprofit organization management industry as President/CEO at IIRR. MessageCEO provides verified contact information for executives across all major industries.

Is Peter Williams's contact information verified?

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

Last updated: July 22, 2026