Sean O'Sullivan

Sean O'Sullivan serves as Group Chief Executive Officer at Select Management Services. Select Management Services operates in the financial services sector with approximately 88.0 employees. The company is headquartered in Johannesburg, Gauteng.

Industry & Role Insights

• • MessageCEO tracks 11,960 executives in the financial services sector.
• • 1,915 executive contacts are available in Gauteng.
• • Our database includes 201,468 c suite-level executives.

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Outreach Guidance — financial services Sector

Financial services executives like Sean O'Sullivan prioritize security, compliance (SOC 2, SOX), and integration with existing systems. Reference industry-specific regulatory requirements and provide case studies from peer institutions.

Sean O'Sullivan's Position in the MessageCEO Database

• •Sean O'Sullivan is 1 of 1 verified executive contact we track at Select Management Services.
• •11,735 verified executive contacts in financial services are in the MessageCEO database.
• •1,897 verified executive contacts in Gauteng are in the database.
• •51 verified contacts work at financial services companies in the 88.0 employee range (same size as Select Management Services).

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 We do not publish personal addresses or sensitive identifiers.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 O'Sullivan directly?

Sean O'Sullivan's verified email address is available to MessageCEO Pro subscribers. They currently serve as Group Chief Executive Officer at Select Management Services. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Sean O'Sullivan work for?

Sean O'Sullivan is Group Chief Executive Officer at Select Management Services, a company in the financial services sector with 88.0 employees. The company is based in Johannesburg, Gauteng.

Can I pitch or sell to Sean O'Sullivan?

As Group Chief Executive Officer at Select Management Services, Sean O'Sullivan is a key decision-maker in the financial services sector. MessageCEO Pro gives you verified email to reach Sean O'Sullivan directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Sean O'Sullivan in?

Sean O'Sullivan works in the financial services industry as Group Chief Executive Officer at Select Management Services. MessageCEO provides verified contact information for executives across all major industries.

Is Sean O'Sullivan's contact information verified?

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

Last updated: July 26, 2026