John Hatsopoulos

John Hatsopoulos serves as CEO at Tecogen Inc.. Tecogen Inc. operates in the semiconductors sector with approximately 63.0 employees. The company is headquartered in Waltham, Massachusetts. Tecogen Inc. generates annual revenue of 22619000.0.

Industry & Role Insights

• • MessageCEO tracks 1,226 executives in the semiconductors sector.
• • 3,781 executive contacts are available in Massachusetts.
• • Our database includes 201,469 c suite-level executives.

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Outreach Guidance — semiconductors Sector

Executives like John Hatsopoulos 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 Tecogen Inc..

John Hatsopoulos's Position in the MessageCEO Database

• •John Hatsopoulos is 1 of 1 verified executive contact we track at Tecogen Inc..
• •1,165 verified executive contacts in semiconductors are in the MessageCEO database.
• •3,577 verified executive contacts in Massachusetts are in the database.
• •6 verified contacts work at semiconductors companies in the 63.0 employee range (same size as Tecogen Inc.).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does John Hatsopoulos work for?

John Hatsopoulos is CEO at Tecogen Inc., a company in the semiconductors sector with 63.0 employees. The company is based in Waltham, Massachusetts.

Can I pitch or sell to John Hatsopoulos?

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

What industry is John Hatsopoulos in?

John Hatsopoulos works in the semiconductors industry as CEO at Tecogen Inc.. MessageCEO provides verified contact information for executives across all major industries.

Is John Hatsopoulos's contact information verified?

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

Last updated: July 23, 2026