Greg McCallum

Greg McCallum serves as Chief Technology Officer at Virtuoso IT. Virtuoso IT operates in the information technology & services sector with approximately 55.0 employees. The company is headquartered in Montreal, Quebec. Virtuoso IT generates annual revenue of 2200000.0.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 2 executives at Virtuoso IT.
• • 967 executive contacts are available in Quebec.
• • Our database includes 201,469 c suite-level executives.

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Markus McIver Chief Executive Officer at Virtuoso IT

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

Greg McCallum's Position in the MessageCEO Database

• •Greg McCallum is 1 of 2 verified executive contacts we track at Virtuoso IT.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •960 verified executive contacts in Quebec are in the database.
• •362 verified contacts work at information technology & services companies in the 55.0 employee range (same size as Virtuoso IT).

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 We do not publish personal addresses or sensitive identifiers.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

Greg McCallum's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technology Officer at Virtuoso IT. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Greg McCallum work for?

Greg McCallum is Chief Technology Officer at Virtuoso IT, a company in the information technology & services sector with 55.0 employees. The company is based in Montreal, Quebec.

Can I pitch or sell to Greg McCallum?

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

What industry is Greg McCallum in?

Greg McCallum works in the information technology & services industry as Chief Technology Officer at Virtuoso IT. MessageCEO provides verified contact information for executives across all major industries.

Is Greg McCallum's contact information verified?

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

Last updated: June 26, 2026