Mariana Day

Mariana Day serves as Asistente CEO at OpenPass. OpenPass operates in the information technology & services sector with approximately 150.0 employees. The company is headquartered in Buenos Aires, Autonomous City of Buenos Aires.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 2 executives at OpenPass.
• • 190 executive contacts are available in Autonomous City of Buenos Aires.
• • Our database includes 201,469 c suite-level executives.

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Rosario Flores Vidal CEO at OpenPass

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

Mariana Day's Position in the MessageCEO Database

• •Mariana Day is 1 of 2 verified executive contacts we track at OpenPass.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •189 verified executive contacts in Autonomous City of Buenos Aires are in the database.
• •764 verified contacts work at information technology & services companies in the 150.0 employee range (same size as OpenPass).

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 We do not publish personal addresses or sensitive identifiers.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

How do I reach Mariana Day directly?

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

What company does Mariana Day work for?

Mariana Day is Asistente CEO at OpenPass, a company in the information technology & services sector with 150.0 employees. The company is based in Buenos Aires, Autonomous City of Buenos Aires.

Can I pitch or sell to Mariana Day?

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

What industry is Mariana Day in?

Mariana Day works in the information technology & services industry as Asistente CEO at OpenPass. MessageCEO provides verified contact information for executives across all major industries.

Is Mariana Day's contact information verified?

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

Last updated: June 28, 2026