Carlos Castellanos

Carlos Castellanos serves as CEO at ALTEN Energías Renovables. ALTEN Energías Renovables operates in the semiconductors sector with approximately 37.0 employees. The company is headquartered in Madrid, Community of Madrid. ALTEN Energías Renovables generates annual revenue of 4338000.0.

Industry & Role Insights

• • MessageCEO tracks 1,226 executives in the semiconductors sector.
• • We have verified contacts for 2 executives at ALTEN Energías Renovables.
• • 2,039 executive contacts are available in Community of Madrid.
• • Our database includes 201,469 c suite-level executives.

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Ramses Barabino Chief Technical Officer (CTO) at ALTEN Energías Renovables

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Naoki Ota President & CEO at 24M Technologies

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Frank Grewe CTO / Chief Technology Officer and Executive Board Member at 2G Energy AG

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Martin Hackl Chief Business Officer at 2productminds

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Patrick Hofer-Noser CEO / Inhaber at 3S Solar Plus AG

Outreach Guidance — semiconductors Sector

Executives like Carlos Castellanos in the semiconductors 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 ALTEN Energías Renovables.

Carlos Castellanos's Position in the MessageCEO Database

• •Carlos Castellanos is 1 of 2 verified executive contacts we track at ALTEN Energías Renovables.
• •1,165 verified executive contacts in semiconductors are in the MessageCEO database.
• •2,023 verified executive contacts in Community of Madrid are in the database.
• •13 verified contacts work at semiconductors companies in the 37.0 employee range (same size as ALTEN Energías Renovables).

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 We do not publish personal addresses or sensitive identifiers.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

Carlos Castellanos's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at ALTEN Energías Renovables. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Carlos Castellanos work for?

Carlos Castellanos is CEO at ALTEN Energías Renovables, a company in the semiconductors sector with 37.0 employees. The company is based in Madrid, Community of Madrid.

Can I pitch or sell to Carlos Castellanos?

As CEO at ALTEN Energías Renovables, Carlos Castellanos is a key decision-maker in the semiconductors sector. MessageCEO Pro gives you verified email to reach Carlos Castellanos directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Carlos Castellanos in?

Carlos Castellanos works in the semiconductors industry as CEO at ALTEN Energías Renovables. MessageCEO provides verified contact information for executives across all major industries.

Is Carlos Castellanos's contact information verified?

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

Last updated: June 24, 2026