Mark Walter

Mark Walter serves as CEO at Mark Group. Mark Group operates in the renewables & environment sector with approximately 360.0 employees. The company is headquartered in Los Angeles, California. Mark Group generates annual revenue of 345000000.0.

Industry & Role Insights

• • MessageCEO tracks 1,361 executives in the renewables & environment sector.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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Barbara Wittenberg CTO at 1KOMMA5°

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Heino Cumpanas Chief Executive Officer (CEO) 1KOMMA5° - Ingolstadt/Landshut GmbH at 1KOMMA5°

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Joana Glaum Brand Marketing Manager & PA to the CEO at 1KOMMA5°

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Sophia Rodiger Chief Marketing Officer DACH at 1KOMMA5°

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Jake Kilgore Chief Executive Officer at 1Solar

Outreach Guidance — renewables & environment Sector

Executives like Mark Walter in the renewables & environment 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 Mark Group.

Mark Walter's Position in the MessageCEO Database

• •Mark Walter is 1 of 1 verified executive contact we track at Mark Group.
• •1,337 verified executive contacts in renewables & environment are in the MessageCEO database.
• •12,901 verified executive contacts in California are in the database.
• •7 verified contacts work at renewables & environment companies in the 360.0 employee range (same size as Mark Group).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does Mark Walter work for?

Mark Walter is CEO at Mark Group, a company in the renewables & environment sector with 360.0 employees. The company is based in Los Angeles, California.

Can I pitch or sell to Mark Walter?

As CEO at Mark Group, Mark Walter is a key decision-maker in the renewables & environment sector. MessageCEO Pro gives you verified email to reach Mark Walter directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Mark Walter in?

Mark Walter works in the renewables & environment industry as CEO at Mark Group. MessageCEO provides verified contact information for executives across all major industries.

Is Mark Walter's contact information verified?

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

Last updated: July 24, 2026