Dave Dionisio

Dave Dionisio serves as Chief of Staff to the COO at Input Output (IOHK). Input Output (IOHK) operates in the information technology & services sector with approximately 470.0 employees. Input Output (IOHK) generates annual revenue of 23000000.0. To date, Input Output (IOHK) has raised 500000.0 in total funding, with the most recent round being Other.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 3 executives at Input Output (IOHK).
• • Our database includes 201,469 c suite-level executives.

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BB

Benjamin Beckmann CTO, Midnight at Input Output (IOHK)

RP

Romain Pellerin Chief Technology Officer at Input Output (IOHK)

MJ

Marvin Jo CTO at 위블링

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Robert Kim CEO, North America at 당근마켓

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Kyung Lim CTO at 인터파크

Outreach Guidance — information technology & services Sector

Technology executives make decisions on infrastructure, tooling, and partnerships. When reaching out to Dave Dionisio, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Dave Dionisio's Position in the MessageCEO Database

• •Dave Dionisio is 1 of 3 verified executive contacts we track at Input Output (IOHK).
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •140 verified contacts work at information technology & services companies in the 470.0 employee range (same size as Input Output (IOHK)).

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 We do not publish personal addresses or sensitive identifiers.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 Dave Dionisio directly?

Dave Dionisio's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief of Staff to the COO at Input Output (IOHK). Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Dave Dionisio work for?

Dave Dionisio is Chief of Staff to the COO at Input Output (IOHK), a company in the information technology & services sector with 470.0 employees.

Can I pitch or sell to Dave Dionisio?

As Chief of Staff to the COO at Input Output (IOHK), Dave Dionisio is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Dave Dionisio directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Dave Dionisio in?

Dave Dionisio works in the information technology & services industry as Chief of Staff to the COO at Input Output (IOHK). MessageCEO provides verified contact information for executives across all major industries.

Is Dave Dionisio's contact information verified?

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

Last updated: June 24, 2026