Han Kolff

Han Kolff serves as CEO & Chairman of the Board at HeadFirst Group. HeadFirst Group operates in the staffing & recruiting sector with approximately 650.0 employees. The company is headquartered in Amsterdam, North Holland. HeadFirst Group generates annual revenue of 67251000.0. To date, HeadFirst Group has raised 88166700.0 in total funding, with the most recent round being Venture (Round not Specified).

Industry & Role Insights

• • MessageCEO tracks 2,963 executives in the staffing & recruiting sector.
• • We have verified contacts for 2 executives at HeadFirst Group.
• • 1,041 executive contacts are available in North Holland.
• • Our database includes 201,469 c suite-level executives.

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MV

Marion Van Happen Chief Executive Officer at HeadFirst Group

JC

Joe Coletta CEO at 180 Engineering

RK

Ryan Kevelighan Chief Executive Officer at 1Medical

PU

Prateek Upadhyay Chief Operating Officer at 1 POINT SYSTEM LLC

LH

Larry Hayes Chief Executive Officer at 24HourNurse, LLC

Outreach Guidance — staffing & recruiting Sector

Executives like Han Kolff in the staffing & recruiting 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 HeadFirst Group.

Han Kolff's Position in the MessageCEO Database

• •Han Kolff is 1 of 2 verified executive contacts we track at HeadFirst Group.
• •2,902 verified executive contacts in staffing & recruiting are in the MessageCEO database.
• •1,033 verified executive contacts in North Holland are in the database.
• •9 verified contacts work at staffing & recruiting companies in the 650.0 employee range (same size as HeadFirst Group).

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 We do not publish personal addresses or sensitive identifiers.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 Han Kolff directly?

Han Kolff's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO & Chairman of the Board at HeadFirst Group. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Han Kolff work for?

Han Kolff is CEO & Chairman of the Board at HeadFirst Group, a company in the staffing & recruiting sector with 650.0 employees. The company is based in Amsterdam, North Holland.

Can I pitch or sell to Han Kolff?

As CEO & Chairman of the Board at HeadFirst Group, Han Kolff is a key decision-maker in the staffing & recruiting sector. MessageCEO Pro gives you verified email to reach Han Kolff directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Han Kolff in?

Han Kolff works in the staffing & recruiting industry as CEO & Chairman of the Board at HeadFirst Group. MessageCEO provides verified contact information for executives across all major industries.

Is Han Kolff's contact information verified?

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

Last updated: July 22, 2026