John Jahnke

John Jahnke serves as CEO at Tackle.io. Tackle.io operates in the information technology & services sector with approximately 200.0 employees. The company is headquartered in Buffalo, New York. Tackle.io generates annual revenue of 65000000.0. To date, Tackle.io has raised 142850000.0 in total funding, with the most recent round being Series C.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 6,952 executive contacts are available in New York.
• • Our database includes 201,469 c suite-level executives.

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Alex Ryu Chief Operating Officer, Supply Chain Solutions Group at 동양시스템즈(주)

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Wonho Kang 라포테이블(팔도감) | CEO · Product Lead at 라포랩스(퀸잇)

Outreach Guidance — information technology & services Sector

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

John Jahnke's Position in the MessageCEO Database

• •John Jahnke is 1 of 1 verified executive contact we track at Tackle.io.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •6,778 verified executive contacts in New York are in the database.
• •484 verified contacts work at information technology & services companies in the 200.0 employee range (same size as Tackle.io).

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 We do not publish personal addresses or sensitive identifiers.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

John Jahnke's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Tackle.io. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does John Jahnke work for?

John Jahnke is CEO at Tackle.io, a company in the information technology & services sector with 200.0 employees. The company is based in Buffalo, New York.

Can I pitch or sell to John Jahnke?

As CEO at Tackle.io, John Jahnke is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach John Jahnke directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Jahnke in?

John Jahnke works in the information technology & services industry as CEO at Tackle.io. MessageCEO provides verified contact information for executives across all major industries.

Is John Jahnke's contact information verified?

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

Last updated: June 24, 2026