Mark Whelan

Mark Whelan serves as Chief Technical Officer at Dataline Group Pty Ltd. Dataline Group Pty Ltd operates in the information technology & services sector with approximately 32.0 employees. The company is headquartered in Sydney, New South Wales. Dataline Group Pty Ltd generates annual revenue of 6000000.0.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 3,176 executive contacts are available in New South Wales.
• • Our database includes 201,465 c suite-level executives.

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Outreach Guidance — information technology & services Sector

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

Mark Whelan's Position in the MessageCEO Database

• •Mark Whelan is 1 of 1 verified executive contact we track at Dataline Group Pty Ltd.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •3,103 verified executive contacts in New South Wales are in the database.
• •677 verified contacts work at information technology & services companies in the 32.0 employee range (same size as Dataline Group Pty Ltd).

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 We do not publish personal addresses or sensitive identifiers.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

How do I reach Mark Whelan directly?

Mark Whelan's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technical Officer at Dataline Group Pty Ltd. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Mark Whelan work for?

Mark Whelan is Chief Technical Officer at Dataline Group Pty Ltd, a company in the information technology & services sector with 32.0 employees. The company is based in Sydney, New South Wales.

Can I pitch or sell to Mark Whelan?

As Chief Technical Officer at Dataline Group Pty Ltd, Mark Whelan is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Mark Whelan directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Mark Whelan in?

Mark Whelan works in the information technology & services industry as Chief Technical Officer at Dataline Group Pty Ltd. MessageCEO provides verified contact information for executives across all major industries.

Is Mark Whelan's contact information verified?

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

Last updated: October 23, 2026