Mark Rostafin

Mark Rostafin serves as Co-Chief Executive Officer at Vesper Energy. Vesper Energy operates in the semiconductors sector with approximately 73.0 employees. The company is headquartered in Denver, Colorado. Vesper Energy generates annual revenue of 75000000.0. To date, Vesper Energy has raised 740000009.0 in total funding, with the most recent round being Debt Financing.

Industry & Role Insights

• • MessageCEO tracks 1,226 executives in the semiconductors sector.
• • 2,432 executive contacts are available in Colorado.
• • Our database includes 201,469 c suite-level executives.

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Naoki Ota President & CEO at 24M Technologies

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Outreach Guidance — semiconductors Sector

Executives like Mark Rostafin 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 Vesper Energy.

Mark Rostafin's Position in the MessageCEO Database

• •Mark Rostafin is 1 of 1 verified executive contact we track at Vesper Energy.
• •1,165 verified executive contacts in semiconductors are in the MessageCEO database.
• •2,227 verified executive contacts in Colorado are in the database.
• •8 verified contacts work at semiconductors companies in the 73.0 employee range (same size as Vesper Energy).

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 We do not publish personal addresses or sensitive identifiers.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

Mark Rostafin's verified email address is available to MessageCEO Pro subscribers. They currently serve as Co-Chief Executive Officer at Vesper Energy. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Mark Rostafin work for?

Mark Rostafin is Co-Chief Executive Officer at Vesper Energy, a company in the semiconductors sector with 73.0 employees. The company is based in Denver, Colorado.

Can I pitch or sell to Mark Rostafin?

As Co-Chief Executive Officer at Vesper Energy, Mark Rostafin is a key decision-maker in the semiconductors sector. MessageCEO Pro gives you verified email to reach Mark Rostafin directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Mark Rostafin in?

Mark Rostafin works in the semiconductors industry as Co-Chief Executive Officer at Vesper Energy. MessageCEO provides verified contact information for executives across all major industries.

Is Mark Rostafin's contact information verified?

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

Last updated: June 7, 2026