Mario Diez

Mario Diez serves as Chief Executive Officer at PEER39. PEER39 operates in the information technology & services sector with approximately 58.0 employees. The company is headquartered in New York, New York. PEER39 generates annual revenue of 18600000.0. To date, PEER39 has raised 8200000.0 in total funding, with the most recent round being Series B.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 2 executives at PEER39.
• • 6,952 executive contacts are available in New York.
• • Our database includes 201,469 c suite-level executives.

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Alex White Chief Operating Officer at PEER39

MJ

Marvin Jo CTO at 위블링

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Robert Kim CEO, North America at 당근마켓

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Kyung Lim CTO at 인터파크

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Alex Ryu Chief Operating Officer, Supply Chain Solutions Group at 동양시스템즈(주)

Outreach Guidance — information technology & services Sector

Technology executives make decisions on infrastructure, tooling, and partnerships. When reaching out to Mario Diez, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Mario Diez's Position in the MessageCEO Database

• •Mario Diez is 1 of 2 verified executive contacts we track at PEER39.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •6,778 verified executive contacts in New York are in the database.
• •295 verified contacts work at information technology & services companies in the 58.0 employee range (same size as PEER39).

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 We do not publish personal addresses or sensitive identifiers.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 Mario Diez directly?

Mario Diez's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at PEER39. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Mario Diez work for?

Mario Diez is Chief Executive Officer at PEER39, a company in the information technology & services sector with 58.0 employees. The company is based in New York, New York.

Can I pitch or sell to Mario Diez?

As Chief Executive Officer at PEER39, Mario Diez is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Mario Diez directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Mario Diez in?

Mario Diez works in the information technology & services industry as Chief Executive Officer at PEER39. MessageCEO provides verified contact information for executives across all major industries.

Is Mario Diez's contact information verified?

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

Last updated: July 24, 2026