Harm Janssen

Harm Janssen serves as CEO at Karakterhuis. Karakterhuis operates in the real estate sector with approximately 610.0 employees. The company is headquartered in Amsterdam, North Holland. Karakterhuis generates annual revenue of 70000000.0.

Industry & Role Insights

• • MessageCEO tracks 4,518 executives in the real estate sector.
• • 1,041 executive contacts are available in North Holland.
• • Our database includes 201,469 c suite-level executives.

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MK

Moonkyu Kim CTO, Head of Information Technology at 알스퀘어

NL

Nic Lyons CEO at 151 Property

SC

Scott Chang CEO at 168 Realty

RA

Raul Alberti Fundador y CEO at 195 Real Estate

RF

Rhyan Finch Owner & CEO at 1st Class Real Estate

Outreach Guidance — real estate Sector

Real estate executives prioritize ROI and deal flow. Outreach to Harm Janssen is most effective when framed around revenue impact, time savings on transactions, or property management efficiency.

Harm Janssen's Position in the MessageCEO Database

• •Harm Janssen is 1 of 1 verified executive contact we track at Karakterhuis.
• •4,298 verified executive contacts in real estate are in the MessageCEO database.
• •1,033 verified executive contacts in North Holland are in the database.
• •13 verified contacts work at real estate companies in the 610.0 employee range (same size as Karakterhuis).

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 We do not publish personal addresses or sensitive identifiers.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 Harm Janssen directly?

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

What company does Harm Janssen work for?

Harm Janssen is CEO at Karakterhuis, a company in the real estate sector with 610.0 employees. The company is based in Amsterdam, North Holland.

Can I pitch or sell to Harm Janssen?

As CEO at Karakterhuis, Harm Janssen is a key decision-maker in the real estate sector. MessageCEO Pro gives you verified email to reach Harm Janssen directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Harm Janssen in?

Harm Janssen works in the real estate industry as CEO at Karakterhuis. MessageCEO provides verified contact information for executives across all major industries.

Is Harm Janssen's contact information verified?

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

Last updated: July 21, 2026