Thanassis Petmezas

Thanassis Petmezas serves as Chief Executive Officer at cosmoONE. cosmoONE operates in the information technology & services sector with approximately 35.0 employees.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • Our database includes 201,464 c suite-level executives.

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Outreach Guidance — information technology & services Sector

Technology executives make decisions on infrastructure, tooling, and partnerships. When reaching out to Thanassis Petmezas, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Thanassis Petmezas's Position in the MessageCEO Database

• •Thanassis Petmezas is 1 of 1 verified executive contact we track at cosmoONE.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •617 verified contacts work at information technology & services companies in the 35.0 employee range (same size as cosmoONE).

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 We do not publish personal addresses or sensitive identifiers.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 November 2026.

How do I reach Thanassis Petmezas directly?

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

What company does Thanassis Petmezas work for?

Thanassis Petmezas is Chief Executive Officer at cosmoONE, a company in the information technology & services sector with 35.0 employees.

Can I pitch or sell to Thanassis Petmezas?

As Chief Executive Officer at cosmoONE, Thanassis Petmezas is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Thanassis Petmezas directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Thanassis Petmezas in?

Thanassis Petmezas works in the information technology & services industry as Chief Executive Officer at cosmoONE. MessageCEO provides verified contact information for executives across all major industries.

Is Thanassis Petmezas's contact information verified?

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

Last updated: November 8, 2026