Claus Nielsen

Claus Nielsen serves as Founding Partner & CEO at Halfspace - A Data & AI Company. Halfspace - A Data & AI Company operates in the information technology & services sector with approximately 78.0 employees. The company is headquartered in Copenhagen, Capital Region of Denmark.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 947 executive contacts are available in Capital Region of Denmark.
• • Our database includes 201,469 c suite-level executives.

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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)

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Wonho Kang 라포테이블(팔도감) | CEO · Product Lead at 라포랩스(퀸잇)

Outreach Guidance — information technology & services Sector

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

Claus Nielsen's Position in the MessageCEO Database

• •Claus Nielsen is 1 of 1 verified executive contact we track at Halfspace - A Data & AI Company.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •942 verified executive contacts in Capital Region of Denmark are in the database.
• •212 verified contacts work at information technology & services companies in the 78.0 employee range (same size as Halfspace - A Data & AI Company).

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 We do not publish personal addresses or sensitive identifiers.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 Claus Nielsen directly?

Claus Nielsen's verified email address is available to MessageCEO Pro subscribers. They currently serve as Founding Partner & CEO at Halfspace - A Data & AI Company. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Claus Nielsen work for?

Claus Nielsen is Founding Partner & CEO at Halfspace - A Data & AI Company, a company in the information technology & services sector with 78.0 employees. The company is based in Copenhagen, Capital Region of Denmark.

Can I pitch or sell to Claus Nielsen?

As Founding Partner & CEO at Halfspace - A Data & AI Company, Claus Nielsen is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Claus Nielsen directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Claus Nielsen in?

Claus Nielsen works in the information technology & services industry as Founding Partner & CEO at Halfspace - A Data & AI Company. MessageCEO provides verified contact information for executives across all major industries.

Is Claus Nielsen's contact information verified?

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

Last updated: July 20, 2026