John Stearns

John Stearns serves as Chief Technology Officer at Roo. Roo operates in the hospital & health care sector with approximately 530.0 employees. The company is headquartered in San Francisco, California. Roo generates annual revenue of 4000000.0. To date, Roo has raised 18549921.0 in total funding, with the most recent round being Series A.

Industry & Role Insights

• • MessageCEO tracks 6,447 executives in the hospital & health care sector.
• • We have verified contacts for 2 executives at Roo.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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Danny Leffel CEO at Roo

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Donna Rey Executive Director & CEO at 1199SEIU National Benefit Fund

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Amin Shivji Chief Executive Officer at 123Dentist

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Jeff Leger Chief Executive Officer (incoming) at 123Dentist

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Chandan Advani Co - Chief Executive Officer at 123Dentist

Outreach Guidance — hospital & health care Sector

Executives like John Stearns in the hospital & health care 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 Roo.

John Stearns's Position in the MessageCEO Database

• •John Stearns is 1 of 2 verified executive contacts we track at Roo.
• •6,187 verified executive contacts in hospital & health care are in the MessageCEO database.
• •12,901 verified executive contacts in California are in the database.
• •32 verified contacts work at hospital & health care companies in the 530.0 employee range (same size as Roo).

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 We do not publish personal addresses or sensitive identifiers.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

John Stearns's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technology Officer at Roo. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does John Stearns work for?

John Stearns is Chief Technology Officer at Roo, a company in the hospital & health care sector with 530.0 employees. The company is based in San Francisco, California.

Can I pitch or sell to John Stearns?

As Chief Technology Officer at Roo, John Stearns is a key decision-maker in the hospital & health care sector. MessageCEO Pro gives you verified email to reach John Stearns directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Stearns in?

John Stearns works in the hospital & health care industry as Chief Technology Officer at Roo. MessageCEO provides verified contact information for executives across all major industries.

Is John Stearns's contact information verified?

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

Last updated: July 22, 2026