John Walker

John Walker serves as Chief Executive Officer at Naftogaz of Ukraine. Naftogaz of Ukraine operates in the oil & energy sector with approximately 560.0 employees. The company is headquartered in Davenport, Iowa. Naftogaz of Ukraine generates annual revenue of 6272680000.0. To date, Naftogaz of Ukraine has raised 375118100.0 in total funding, with the most recent round being Debt Financing.

Industry & Role Insights

• • MessageCEO tracks 1,687 executives in the oil & energy sector.
• • We have verified contacts for 4 executives at Naftogaz of Ukraine.
• • 357 executive contacts are available in Iowa.
• • Our database includes 201,469 c suite-level executives.

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Olga Khoroshylova Advisor to the CEO at Naftogaz of Ukraine

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Myron Wasylyk Advisor to the CEO at Naftogaz of Ukraine

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Oleksii Butenko CEO Naftogaz Bioenergy at Naftogaz of Ukraine

Outreach Guidance — oil & energy Sector

Executives like John Walker in the oil & energy 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 Naftogaz of Ukraine.

John Walker's Position in the MessageCEO Database

• •John Walker is 1 of 4 verified executive contacts we track at Naftogaz of Ukraine.
• •1,579 verified executive contacts in oil & energy are in the MessageCEO database.
• •343 verified executive contacts in Iowa are in the database.
• •16 verified contacts work at oil & energy companies in the 560.0 employee range (same size as Naftogaz of Ukraine).

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 We do not publish personal addresses or sensitive identifiers.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

John Walker's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Naftogaz of Ukraine. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does John Walker work for?

John Walker is Chief Executive Officer at Naftogaz of Ukraine, a company in the oil & energy sector with 560.0 employees. The company is based in Davenport, Iowa.

Can I pitch or sell to John Walker?

As Chief Executive Officer at Naftogaz of Ukraine, John Walker is a key decision-maker in the oil & energy sector. MessageCEO Pro gives you verified email to reach John Walker directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Walker in?

John Walker works in the oil & energy industry as Chief Executive Officer at Naftogaz of Ukraine. MessageCEO provides verified contact information for executives across all major industries.

Is John Walker's contact information verified?

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

Last updated: June 26, 2026