Mark O'Brien

Mark O'Brien serves as CEO at ERS. ERS operates in the insurance sector with approximately 950.0 employees. The company is headquartered in Alamo, California. ERS generates annual revenue of 5660000.0. To date, ERS has raised 350000000.0 in total funding, with the most recent round being Private Equity.

Industry & Role Insights

• • MessageCEO tracks 3,403 executives in the insurance sector.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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Jee Cho Chief Executive Officer at 라이나생명

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Bocys Lam Chief Technology Officer at 10Life

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Jerrell Clay CEO at 3 Mark Financial, Inc.

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Darren Bowman Chief Executive Officer at 501(c) Services

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Kim Wooding Executive VP and CFO at 5Star Life Insurance Company

Outreach Guidance — insurance Sector

Insurance executives prioritize risk reduction, compliance, and claims efficiency. When reaching out to Mark O'Brien, reference actuarial data, integration capabilities, and regulatory compliance.

How do I reach Mark O'Brien directly?

Mark O'Brien's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at ERS. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Mark O'Brien work for?

Mark O'Brien is CEO at ERS, a company in the insurance sector with 950.0 employees. The company is based in Alamo, California.

Can I pitch or sell to Mark O'Brien?

As CEO at ERS, Mark O'Brien is a key decision-maker in the insurance sector. MessageCEO Pro gives you verified email to reach Mark O'Brien directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Mark O'Brien in?

Mark O'Brien works in the insurance industry as CEO at ERS. MessageCEO provides verified contact information for executives across all major industries.

Is Mark O'Brien's contact information verified?

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

Last updated: May 13, 2026