John Quillan

John Quillan serves as CTO at Fathom. Fathom operates in the information technology & services sector with approximately 84.0 employees. Fathom generates annual revenue of 14500000.0.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 8 executives at Fathom.
• • Our database includes 201,469 c suite-level executives.

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HA

Hassan Alhamad CEO at Fathom

SK

Steve Kessen CEO at Fathom

ES

Enoch Shih COO at Fathom

NQ

Niall Quinn Chief Technical Officer at Fathom

NK

Nick Kraft Chief Technology Officer at Fathom

Outreach Guidance — information technology & services Sector

Technology executives make decisions on infrastructure, tooling, and partnerships. When reaching out to John Quillan, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

John Quillan's Position in the MessageCEO Database

• •John Quillan is 1 of 8 verified executive contacts we track at Fathom.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •207 verified contacts work at information technology & services companies in the 84.0 employee range (same size as Fathom).

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 We do not publish personal addresses or sensitive identifiers.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 June 2026.

How do I reach John Quillan directly?

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

What company does John Quillan work for?

John Quillan is CTO at Fathom, a company in the information technology & services sector with 84.0 employees.

Can I pitch or sell to John Quillan?

As CTO at Fathom, John Quillan is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach John Quillan directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Quillan in?

John Quillan works in the information technology & services industry as CTO at Fathom. MessageCEO provides verified contact information for executives across all major industries.

Is John Quillan's contact information verified?

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

Last updated: June 27, 2026