Christopher Greiner

Christopher Greiner serves as Chief Technology Officer at EnergyNest. EnergyNest operates in the environmental services sector with approximately 49.0 employees. The company is headquartered in Oslo, Oslo. EnergyNest generates annual revenue of 3400000.0. To date, EnergyNest has raised 131581500.0 in total funding, with the most recent round being Other.

Industry & Role Insights

• • MessageCEO tracks 1,660 executives in the environmental services sector.
• • 1,203 executive contacts are available in Oslo.
• • Our database includes 201,468 c suite-level executives.

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Ryan Smith CEO at 360 Energy Liability Management Ltd.

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Bryce Watson Chief Technical Compliance Officer at 360 Energy Liability Management Ltd.

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Chris Gannon President and Chief Executive Officer at 374Water

Outreach Guidance — environmental services Sector

Executives like Christopher Greiner in the environmental 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 EnergyNest.

Christopher Greiner's Position in the MessageCEO Database

• •Christopher Greiner is 1 of 1 verified executive contact we track at EnergyNest.
• •1,626 verified executive contacts in environmental services are in the MessageCEO database.
• •1,199 verified executive contacts in Oslo are in the database.
• •13 verified contacts work at environmental services companies in the 49.0 employee range (same size as EnergyNest).

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 We do not publish personal addresses or sensitive identifiers.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

Christopher Greiner's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technology Officer at EnergyNest. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Christopher Greiner work for?

Christopher Greiner is Chief Technology Officer at EnergyNest, a company in the environmental services sector with 49.0 employees. The company is based in Oslo, Oslo.

Can I pitch or sell to Christopher Greiner?

As Chief Technology Officer at EnergyNest, Christopher Greiner is a key decision-maker in the environmental services sector. MessageCEO Pro gives you verified email to reach Christopher Greiner directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Christopher Greiner in?

Christopher Greiner works in the environmental services industry as Chief Technology Officer at EnergyNest. MessageCEO provides verified contact information for executives across all major industries.

Is Christopher Greiner's contact information verified?

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

Last updated: July 26, 2026