Mark Harris

Mark Harris serves as Chief Executive Officer at Knowable. Knowable operates in the legal services sector with approximately 180.0 employees. The company is headquartered in San Francisco, California.

Industry & Role Insights

• • MessageCEO tracks 636 executives in the legal services sector.
• • We have verified contacts for 2 executives at Knowable.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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DH

Doreen Henrichsen Executive Assistant to the CEO; CXO and Head of Global Operations; and VP Client Service at Knowable

US

Umesh Sharma CEO at 3AIP Services Pvt. Ltd.

LB

Luca Bonazzi CTO at 4cLegal

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Daniel Matalon CEO at A 2nd Chance Bail Bonds

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Tatu Maenpaa Chief Legal Tech Officer at Aatos.app

Outreach Guidance — legal services Sector

Executives like Mark Harris in the legal services 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 Knowable.

Mark Harris's Position in the MessageCEO Database

• •Mark Harris is 1 of 2 verified executive contacts we track at Knowable.
• •631 verified executive contacts in legal services are in the MessageCEO database.
• •12,901 verified executive contacts in California are in the database.
• •9 verified contacts work at legal services companies in the 180.0 employee range (same size as Knowable).

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 We do not publish personal addresses or sensitive identifiers.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

Mark Harris's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Knowable. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Mark Harris work for?

Mark Harris is Chief Executive Officer at Knowable, a company in the legal services sector with 180.0 employees. The company is based in San Francisco, California.

Can I pitch or sell to Mark Harris?

As Chief Executive Officer at Knowable, Mark Harris is a key decision-maker in the legal services sector. MessageCEO Pro gives you verified email to reach Mark Harris directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Mark Harris in?

Mark Harris works in the legal services industry as Chief Executive Officer at Knowable. MessageCEO provides verified contact information for executives across all major industries.

Is Mark Harris's contact information verified?

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

Last updated: July 24, 2026