Josef Kallo

Josef Kallo serves as CTO at H2FLY. H2FLY operates in the aviation & aerospace sector with approximately 53.0 employees. The company is headquartered in Stuttgart, Baden-Wuerttemberg. H2FLY generates annual revenue of 10000000.0.

Industry & Role Insights

• • MessageCEO tracks 793 executives in the aviation & aerospace sector.
• • We have verified contacts for 2 executives at H2FLY.
• • 812 executive contacts are available in Baden-Wuerttemberg.
• • Our database includes 201,469 c suite-level executives.

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Prof CTO at H2FLY

NF

Nicolas Fiant Directeur technique / CTO at 3D PLUS

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Andrew Somar CEO at 630 Aerospace

EK

Erik Klaas CTO at 8tree

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Bernhard Bertrams CEO at AAA Assistance Aèronautique & Aèrospatiale GmbH

Outreach Guidance — aviation & aerospace Sector

Executives like Josef Kallo in the aviation & aerospace 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 H2FLY.

Josef Kallo's Position in the MessageCEO Database

• •Josef Kallo is 1 of 2 verified executive contacts we track at H2FLY.
• •743 verified executive contacts in aviation & aerospace are in the MessageCEO database.
• •806 verified executive contacts in Baden-Wuerttemberg are in the database.
• •8 verified contacts work at aviation & aerospace companies in the 53.0 employee range (same size as H2FLY).

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 We do not publish personal addresses or sensitive identifiers.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 May 2026.

How do I reach Josef Kallo directly?

Josef Kallo's verified email address is available to MessageCEO Pro subscribers. They currently serve as CTO at H2FLY. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Josef Kallo work for?

Josef Kallo is CTO at H2FLY, a company in the aviation & aerospace sector with 53.0 employees. The company is based in Stuttgart, Baden-Wuerttemberg.

Can I pitch or sell to Josef Kallo?

As CTO at H2FLY, Josef Kallo is a key decision-maker in the aviation & aerospace sector. MessageCEO Pro gives you verified email to reach Josef Kallo directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Josef Kallo in?

Josef Kallo works in the aviation & aerospace industry as CTO at H2FLY. MessageCEO provides verified contact information for executives across all major industries.

Is Josef Kallo's contact information verified?

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

Last updated: May 25, 2026