John Van Haaren

John Van Haaren serves as CEO at Ruma Rubber B.V.. Ruma Rubber B.V. operates in the machinery sector with approximately 86.0 employees. The company is headquartered in Hoogeveen, Drenthe.

Industry & Role Insights

• • MessageCEO tracks 3,379 executives in the machinery sector.
• • Our database includes 201,469 c suite-level executives.

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PW

Pawel Wesolowski Chief Technology Officer at 3D Lab - ATO atomising systems manufacturing; Partner of 3D Systems.

UW

Uwe Wagner CEO / CTO at 3D-Micromac AG

DK

David Koren CTO at 3d Signals

AR

Ariel Rosenfeld CEO at 3d Signals

HM

Holger Meyer CEO at 3DZ

Outreach Guidance — machinery Sector

Executives like John Van Haaren in the machinery sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at Ruma Rubber B.V..

John Van Haaren's Position in the MessageCEO Database

• •John Van Haaren is 1 of 1 verified executive contact we track at Ruma Rubber B.V..
• •3,228 verified executive contacts in machinery are in the MessageCEO database.
• •6 verified executive contacts in Drenthe are in the database.
• •17 verified contacts work at machinery companies in the 86.0 employee range (same size as Ruma Rubber B.V.).

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 We do not publish personal addresses or sensitive identifiers.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 John Van Haaren directly?

John Van Haaren's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Ruma Rubber B.V.. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does John Van Haaren work for?

John Van Haaren is CEO at Ruma Rubber B.V., a company in the machinery sector with 86.0 employees. The company is based in Hoogeveen, Drenthe.

Can I pitch or sell to John Van Haaren?

As CEO at Ruma Rubber B.V., John Van Haaren is a key decision-maker in the machinery sector. MessageCEO Pro gives you verified email to reach John Van Haaren directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Van Haaren in?

John Van Haaren works in the machinery industry as CEO at Ruma Rubber B.V.. MessageCEO provides verified contact information for executives across all major industries.

Is John Van Haaren's contact information verified?

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

Last updated: June 26, 2026