John Schlaefer

John Schlaefer serves as CEO at GCT Semiconductor. GCT Semiconductor operates in the semiconductors sector with approximately 140.0 employees. The company is headquartered in San Jose, California. GCT Semiconductor generates annual revenue of 9100000.0.

Industry & Role Insights

• • MessageCEO tracks 1,226 executives in the semiconductors sector.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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Naoki Ota President & CEO at 24M Technologies

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Frank Grewe CTO / Chief Technology Officer and Executive Board Member at 2G Energy AG

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Martin Hackl Chief Business Officer at 2productminds

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Patrick Hofer-Noser CEO / Inhaber at 3S Solar Plus AG

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Alan Caruana Chief Technology Officer at 4JMSolutions

Outreach Guidance — semiconductors Sector

Executives like John Schlaefer in the semiconductors 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 GCT Semiconductor.

John Schlaefer's Position in the MessageCEO Database

• •John Schlaefer is 1 of 1 verified executive contact we track at GCT Semiconductor.
• •1,165 verified executive contacts in semiconductors are in the MessageCEO database.
• •12,901 verified executive contacts in California are in the database.
• •27 verified contacts work at semiconductors companies in the 140.0 employee range (same size as GCT Semiconductor).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does John Schlaefer work for?

John Schlaefer is CEO at GCT Semiconductor, a company in the semiconductors sector with 140.0 employees. The company is based in San Jose, California.

Can I pitch or sell to John Schlaefer?

As CEO at GCT Semiconductor, John Schlaefer is a key decision-maker in the semiconductors sector. MessageCEO Pro gives you verified email to reach John Schlaefer directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Schlaefer in?

John Schlaefer works in the semiconductors industry as CEO at GCT Semiconductor. MessageCEO provides verified contact information for executives across all major industries.

Is John Schlaefer's contact information verified?

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

Last updated: July 22, 2026