Sergey Oleynikov

Sergey Oleynikov serves as Chief Technology Officer at Paxful. Paxful operates in the financial services sector with approximately 280.0 employees. The company is headquartered in Tallinn, Harju County. Paxful generates annual revenue of 15200000.0.

Industry & Role Insights

• • MessageCEO tracks 11,960 executives in the financial services sector.
• • 109 executive contacts are available in Harju County.
• • Our database includes 201,469 c suite-level executives.

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Alan Akina CEO at 101 Financial

Outreach Guidance — financial services Sector

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

Sergey Oleynikov's Position in the MessageCEO Database

• •Sergey Oleynikov is 1 of 1 verified executive contact we track at Paxful.
• •11,735 verified executive contacts in financial services are in the MessageCEO database.
• •109 verified executive contacts in Harju County are in the database.
• •122 verified contacts work at financial services companies in the 280.0 employee range (same size as Paxful).

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 We do not publish personal addresses or sensitive identifiers.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 Sergey Oleynikov directly?

Sergey Oleynikov's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technology Officer at Paxful. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Sergey Oleynikov work for?

Sergey Oleynikov is Chief Technology Officer at Paxful, a company in the financial services sector with 280.0 employees. The company is based in Tallinn, Harju County.

Can I pitch or sell to Sergey Oleynikov?

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

What industry is Sergey Oleynikov in?

Sergey Oleynikov works in the financial services industry as Chief Technology Officer at Paxful. MessageCEO provides verified contact information for executives across all major industries.

Is Sergey Oleynikov's contact information verified?

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

Last updated: June 27, 2026