Christine O'Brien

Christine O'Brien serves as Chief Executive Officer at Tizona Therapeutics, Inc.. Tizona Therapeutics, Inc. operates in the research sector with approximately 25.0 employees. The company is headquartered in South San Francisco, California. Tizona Therapeutics, Inc. generates annual revenue of 3800000.0. To date, Tizona Therapeutics, Inc. has raised 370000000.0 in total funding, with the most recent round being Other.

Industry & Role Insights

• • MessageCEO tracks 2,961 executives in the research sector.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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Outreach Guidance — research Sector

Executives like Christine O'Brien in the research 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 Tizona Therapeutics, Inc..

Christine O'Brien's Position in the MessageCEO Database

• •Christine O'Brien is 1 of 1 verified executive contact we track at Tizona Therapeutics, Inc..
• •2,871 verified executive contacts in research are in the MessageCEO database.
• •12,901 verified executive contacts in California are in the database.
• •44 verified contacts work at research companies in the 25.0 employee range (same size as Tizona Therapeutics, Inc.).

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 We do not publish personal addresses or sensitive identifiers.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 Christine O'Brien directly?

Christine O'Brien's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Tizona Therapeutics, Inc.. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Christine O'Brien work for?

Christine O'Brien is Chief Executive Officer at Tizona Therapeutics, Inc., a company in the research sector with 25.0 employees. The company is based in South San Francisco, California.

Can I pitch or sell to Christine O'Brien?

As Chief Executive Officer at Tizona Therapeutics, Inc., Christine O'Brien is a key decision-maker in the research sector. MessageCEO Pro gives you verified email to reach Christine O'Brien directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Christine O'Brien in?

Christine O'Brien works in the research industry as Chief Executive Officer at Tizona Therapeutics, Inc.. MessageCEO provides verified contact information for executives across all major industries.

Is Christine O'Brien's contact information verified?

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

Last updated: June 23, 2026