John Vannewkirk

John Vannewkirk serves as President and CEO at CheckSum. CheckSum operates in the electrical/electronic manufacturing sector with approximately 54.0 employees. The company is headquartered in Seattle, Washington. CheckSum generates annual revenue of 48769000.0.

Industry & Role Insights

• • MessageCEO tracks 2,347 executives in the electrical/electronic manufacturing sector.
• • 2,277 executive contacts are available in Washington.
• • Our database includes 201,468 c suite-level executives.

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Kip Fyfe CEO at 4iiii Innovations Inc.

Outreach Guidance — electrical/electronic manufacturing Sector

Manufacturing executives are under pressure to reduce costs and modernize operations. When reaching John Vannewkirk, lead with efficiency metrics, ERP integrations, and safety compliance benefits.

John Vannewkirk's Position in the MessageCEO Database

• •John Vannewkirk is 1 of 1 verified executive contact we track at CheckSum.
• •2,168 verified executive contacts in electrical/electronic manufacturing are in the MessageCEO database.
• •2,137 verified executive contacts in Washington are in the database.
• •8 verified contacts work at electrical/electronic manufacturing companies in the 54.0 employee range (same size as CheckSum).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does John Vannewkirk work for?

John Vannewkirk is President and CEO at CheckSum, a company in the electrical/electronic manufacturing sector with 54.0 employees. The company is based in Seattle, Washington.

Can I pitch or sell to John Vannewkirk?

As President and CEO at CheckSum, John Vannewkirk is a key decision-maker in the electrical/electronic manufacturing sector. MessageCEO Pro gives you verified email to reach John Vannewkirk directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Vannewkirk in?

John Vannewkirk works in the electrical/electronic manufacturing industry as President and CEO at CheckSum. MessageCEO provides verified contact information for executives across all major industries.

Is John Vannewkirk's contact information verified?

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

Last updated: July 28, 2026