Shannon Marcus

Shannon Marcus serves as Group Chief Executive Officer at Three Rivers Behavioral Health. Three Rivers Behavioral Health operates in the mental health care sector with approximately 170.0 employees. The company is headquartered in Blythewood, South Carolina.

Industry & Role Insights

• • MessageCEO tracks 1,004 executives in the mental health care sector.
• • 567 executive contacts are available in South Carolina.
• • Our database includes 201,469 c suite-level executives.

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Larry Smith Chief Executive Officer at 12&12, Inc.

JD

John Doyle Chief Executive Officer at 610 Solutions, LLC

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Angie Fuqua CEO at ABA Insight, LLC

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Paul Borda CEO & Founding Partner at ABA Therapy Partners

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Lilyan Executive Director | Clinical Director and CEO at ABA Works

How can I contact Shannon Marcus?

Shannon Marcus's verified email address is available on MessageCEO. They currently work at Three Rivers Behavioral Health. Pro subscribers can access direct email addresses for over 200,000 executives.

What company does Shannon Marcus lead?

Shannon Marcus is Group Chief Executive Officer at Three Rivers Behavioral Health, a company in the mental health care sector with 170.0 employees. The company is based in Blythewood, South Carolina.

What industry is Shannon Marcus in?

Shannon Marcus works in the mental health care industry as Group Chief Executive Officer at Three Rivers Behavioral Health. MessageCEO provides verified contact information for executives across all major industries.

Is Shannon Marcus's contact information verified?

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

Last updated: April 17, 2026