Ko Ishiyama

Ko Ishiyama serves as CEO at ExaWizards Inc.. ExaWizards Inc. operates in the information technology & services sector with approximately 320.0 employees. The company is headquartered in Tokyo.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 2 executives at ExaWizards Inc..
• • Our database includes 201,468 c suite-level executives.

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Koji Hazama CEO at ExaWizards Inc.

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Marvin Jo CTO at 위블링

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Robert Kim CEO, North America at 당근마켓

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Kyung Lim CTO at 인터파크

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Alex Ryu Chief Operating Officer, Supply Chain Solutions Group at 동양시스템즈(주)

Outreach Guidance — information technology & services Sector

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

Ko Ishiyama's Position in the MessageCEO Database

• •Ko Ishiyama is 1 of 2 verified executive contacts we track at ExaWizards Inc..
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •246 verified contacts work at information technology & services companies in the 320.0 employee range (same size as ExaWizards Inc.).

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 We do not publish personal addresses or sensitive identifiers.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 Ko Ishiyama directly?

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

What company does Ko Ishiyama work for?

Ko Ishiyama is CEO at ExaWizards Inc., a company in the information technology & services sector with 320.0 employees. The company is based in Tokyo.

Can I pitch or sell to Ko Ishiyama?

As CEO at ExaWizards Inc., Ko Ishiyama is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Ko Ishiyama directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Ko Ishiyama in?

Ko Ishiyama works in the information technology & services industry as CEO at ExaWizards Inc.. MessageCEO provides verified contact information for executives across all major industries.

Is Ko Ishiyama's contact information verified?

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

Last updated: July 31, 2026