Julien Hammerson

Julien Hammerson serves as Chief Executive Officer at Calastone. Calastone operates in the financial services sector with approximately 250.0 employees. The company is headquartered in London, England. Calastone generates annual revenue of 80611000.0. To date, Calastone has raised 18000000.0 in total funding, with the most recent round being Series B.

Industry & Role Insights

• • MessageCEO tracks 11,960 executives in the financial services sector.
• • We have verified contacts for 2 executives at Calastone.
• • 10,137 executive contacts are available in England.
• • Our database includes 201,469 c suite-level executives.

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Nick Chief Technology Officer at Calastone

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Il Choi Senior Executive Vice President and Chief Digital Officer at 리치앤코

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Jeff Sekinger Chief Executive Officer at 0 Percent

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Rehana Farrell Chief Executive Officer at 100 Women In Finance

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Kellan Brown Chief Operating Officer / Chief Development Officer at 100 Women In Finance

Outreach Guidance — financial services Sector

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

Julien Hammerson's Position in the MessageCEO Database

• •Julien Hammerson is 1 of 1 verified executive contact we track at Calastone.
• •11,735 verified executive contacts in financial services are in the MessageCEO database.
• •10,040 verified executive contacts in England are in the database.
• •107 verified contacts work at financial services companies in the 250.0 employee range (same size as Calastone).

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 We do not publish personal addresses or sensitive identifiers.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 Julien Hammerson directly?

Julien Hammerson's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Calastone. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Julien Hammerson work for?

Julien Hammerson is Chief Executive Officer at Calastone, a company in the financial services sector with 250.0 employees. The company is based in London, England.

Can I pitch or sell to Julien Hammerson?

As Chief Executive Officer at Calastone, Julien Hammerson is a key decision-maker in the financial services sector. MessageCEO Pro gives you verified email to reach Julien Hammerson directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Julien Hammerson in?

Julien Hammerson works in the financial services industry as Chief Executive Officer at Calastone. MessageCEO provides verified contact information for executives across all major industries.

Is Julien Hammerson's contact information verified?

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

Last updated: July 20, 2026