Mariusz Szalagan

Mariusz Szalagan serves as CEO at WeSub. WeSub operates in the financial services sector with approximately 30.0 employees. The company is headquartered in Warsaw, Masovian Voivodeship.

Industry & Role Insights

• • MessageCEO tracks 11,960 executives in the financial services sector.
• • 1,088 executive contacts are available in Masovian Voivodeship.
• • Our database includes 201,469 c suite-level executives.

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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

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Alan Akina CEO at 101 Financial

Outreach Guidance — financial services Sector

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

Mariusz Szalagan's Position in the MessageCEO Database

• •Mariusz Szalagan is 1 of 1 verified executive contact we track at WeSub.
• •11,735 verified executive contacts in financial services are in the MessageCEO database.
• •1,083 verified executive contacts in Masovian Voivodeship are in the database.
• •136 verified contacts work at financial services companies in the 30.0 employee range (same size as WeSub).

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 We do not publish personal addresses or sensitive identifiers.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 Mariusz Szalagan directly?

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

What company does Mariusz Szalagan work for?

Mariusz Szalagan is CEO at WeSub, a company in the financial services sector with 30.0 employees. The company is based in Warsaw, Masovian Voivodeship.

Can I pitch or sell to Mariusz Szalagan?

As CEO at WeSub, Mariusz Szalagan is a key decision-maker in the financial services sector. MessageCEO Pro gives you verified email to reach Mariusz Szalagan directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Mariusz Szalagan in?

Mariusz Szalagan works in the financial services industry as CEO at WeSub. MessageCEO provides verified contact information for executives across all major industries.

Is Mariusz Szalagan's contact information verified?

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

Last updated: June 26, 2026