Ari Hakala

Ari Hakala serves as CTO at Prove Expertise Oy. Prove Expertise Oy operates in the information technology & services sector with approximately 40.0 employees.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 3 executives at Prove Expertise Oy.
• • Our database includes 201,468 c suite-level executives.

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software testing security testing load testing test management it services & it consulting qa strategy performance testing penetration testing mobile testing accessibility testing exploratory testing test automation full-time test engineer part-time test engineer test consultants testing services testing packages client satisfaction quality assurance software quality test automation engineer regression testing device diversity user experience automation setup scalability cost-effective testing test case management risk identification bug detection integration testing test planning test roadmap real-time feedback functional testing performance optimization quality pain points system performance user engagement implementation of testing mobile application testing web application testing testing intensives expert testing objectivity in testing device compatibility software evaluation development lifecycle automation efficiency confidentiality in testing testing methodologies user-centered testing information technology & services computer & network security ux

AN

Antti Niittyviita CEO at Prove Expertise Oy

JT

Jarkko Tauriainen Performance TestGuru and CIO/CTO at Prove Expertise Oy

MJ

Marvin Jo CTO at 위블링

RK

Robert Kim CEO, North America at 당근마켓

KL

Kyung Lim CTO at 인터파크

Outreach Guidance — information technology & services Sector

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

Ari Hakala's Position in the MessageCEO Database

• •Ari Hakala is 1 of 3 verified executive contacts we track at Prove Expertise Oy.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •524 verified contacts work at information technology & services companies in the 40.0 employee range (same size as Prove Expertise Oy).

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 August 2026.

How do I reach Ari Hakala directly?

Ari Hakala's verified email address is available to MessageCEO Pro subscribers. They currently serve as CTO at Prove Expertise Oy. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Ari Hakala work for?

Ari Hakala is CTO at Prove Expertise Oy, a company in the information technology & services sector with 40.0 employees.

Can I pitch or sell to Ari Hakala?

As CTO at Prove Expertise Oy, Ari Hakala is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Ari Hakala directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Ari Hakala in?

Ari Hakala works in the information technology & services industry as CTO at Prove Expertise Oy. MessageCEO provides verified contact information for executives across all major industries.

Is Ari Hakala's contact information verified?

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

Last updated: August 1, 2026