Sean McCartan

Sean McCartan serves as CEO at The Onset. The Onset operates in the staffing & recruiting sector with approximately 41.0 employees. The company is headquartered in Sydney, New South Wales.

Industry & Role Insights

• • MessageCEO tracks 2,963 executives in the staffing & recruiting sector.
• • 3,176 executive contacts are available in New South Wales.
• • Our database includes 201,468 c suite-level executives.

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Joe Coletta CEO at 180 Engineering

RK

Ryan Kevelighan Chief Executive Officer at 1Medical

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Prateek Upadhyay Chief Operating Officer at 1 POINT SYSTEM LLC

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Larry Hayes Chief Executive Officer at 24HourNurse, LLC

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Emem Usen CEO / CVO at 25th and Staffing

Outreach Guidance — staffing & recruiting Sector

Executives like Sean McCartan in the staffing & recruiting sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at The Onset.

Sean McCartan's Position in the MessageCEO Database

• •Sean McCartan is 1 of 1 verified executive contact we track at The Onset.
• •2,902 verified executive contacts in staffing & recruiting are in the MessageCEO database.
• •3,103 verified executive contacts in New South Wales are in the database.
• •44 verified contacts work at staffing & recruiting companies in the 41.0 employee range (same size as The Onset).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does Sean McCartan work for?

Sean McCartan is CEO at The Onset, a company in the staffing & recruiting sector with 41.0 employees. The company is based in Sydney, New South Wales.

Can I pitch or sell to Sean McCartan?

As CEO at The Onset, Sean McCartan is a key decision-maker in the staffing & recruiting sector. MessageCEO Pro gives you verified email to reach Sean McCartan directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Sean McCartan in?

Sean McCartan works in the staffing & recruiting industry as CEO at The Onset. MessageCEO provides verified contact information for executives across all major industries.

Is Sean McCartan's contact information verified?

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

Last updated: July 29, 2026