Mario Keller

Mario Keller serves as CEO at Dadoteca. Dadoteca operates in the information technology & services sector with approximately 54.0 employees. The company is headquartered in Rio de Janeiro, State of Rio de Janeiro.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 544 executive contacts are available in State of Rio de Janeiro.
• • Our database includes 201,469 c suite-level executives.

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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)

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Wonho Kang 라포테이블(팔도감) | CEO · Product Lead at 라포랩스(퀸잇)

Outreach Guidance — information technology & services Sector

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

Mario Keller's Position in the MessageCEO Database

• •Mario Keller is 1 of 1 verified executive contact we track at Dadoteca.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •539 verified executive contacts in State of Rio de Janeiro are in the database.
• •347 verified contacts work at information technology & services companies in the 54.0 employee range (same size as Dadoteca).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does Mario Keller work for?

Mario Keller is CEO at Dadoteca, a company in the information technology & services sector with 54.0 employees. The company is based in Rio de Janeiro, State of Rio de Janeiro.

Can I pitch or sell to Mario Keller?

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

What industry is Mario Keller in?

Mario Keller works in the information technology & services industry as CEO at Dadoteca. MessageCEO provides verified contact information for executives across all major industries.

Is Mario Keller's contact information verified?

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

Last updated: July 18, 2026