Guillermo

Guillermo serves as CEO at M3 Security. M3 Security operates in the information technology & services sector with approximately 15.0 employees. The company is headquartered in Mexico City, Mexico City.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 2 executives at M3 Security.
• • 641 executive contacts are available in Mexico City.
• • Our database includes 201,469 c suite-level executives.

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Guillermo CEO at M3 Security

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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 Guillermo, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Guillermo's Position in the MessageCEO Database

• •Guillermo is 1 of 2 verified executive contacts we track at M3 Security.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •633 verified executive contacts in Mexico City are in the database.
• •74 verified contacts work at information technology & services companies in the 15.0 employee range (same size as M3 Security).

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 We do not publish personal addresses or sensitive identifiers.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 May 2026.

How do I reach Guillermo directly?

Guillermo's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at M3 Security. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Guillermo work for?

Guillermo is CEO at M3 Security, a company in the information technology & services sector with 15.0 employees. The company is based in Mexico City, Mexico City.

Can I pitch or sell to Guillermo?

As CEO at M3 Security, Guillermo is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Guillermo directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Guillermo in?

Guillermo works in the information technology & services industry as CEO at M3 Security. MessageCEO provides verified contact information for executives across all major industries.

Is Guillermo's contact information verified?

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

Last updated: May 25, 2026