Jairaj Sethi

Jairaj Sethi serves as CTO at Substack. Substack operates in the online media sector with approximately 2000.0 employees. The company is headquartered in San Francisco, California. Substack generates annual revenue of 7000000.0. To date, Substack has raised 118904286.0 in total funding, with the most recent round being Other.

Industry & Role Insights

• • MessageCEO tracks 865 executives in the online media sector.
• • We have verified contacts for 2 executives at Substack.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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Corey Pmp Principal CEO at Substack

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Vincent Bouvier COO at 01net

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Chemin Olivier DSI / CTO at 07ZR

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Nicolas Ple CTO at 07ZR

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Gabriele Burbiene Chief Marketing and Development Officer at 15min grupė

Outreach Guidance — online media Sector

Media executives focus on audience growth, content monetization, and advertising revenue. Cold outreach to Jairaj Sethi is most effective when tied to measurable audience or revenue outcomes.

Jairaj Sethi's Position in the MessageCEO Database

• •Jairaj Sethi is 1 of 2 verified executive contacts we track at Substack.
• •851 verified executive contacts in online media are in the MessageCEO database.
• •12,901 verified executive contacts in California are in the database.
• •2 verified contacts work at online media companies in the 2000.0 employee range (same size as Substack).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does Jairaj Sethi work for?

Jairaj Sethi is CTO at Substack, a company in the online media sector with 2000.0 employees. The company is based in San Francisco, California.

Can I pitch or sell to Jairaj Sethi?

As CTO at Substack, Jairaj Sethi is a key decision-maker in the online media sector. MessageCEO Pro gives you verified email to reach Jairaj Sethi directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Jairaj Sethi in?

Jairaj Sethi works in the online media industry as CTO at Substack. MessageCEO provides verified contact information for executives across all major industries.

Is Jairaj Sethi's contact information verified?

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

Last updated: July 17, 2026