Ellen Clark

Ellen Clark serves as CEO at Tonic Inc.. Tonic Inc. operates in the information technology & services sector with approximately 34.0 employees. The company is headquartered in Denver, Colorado.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 2,432 executive contacts are available in Colorado.
• • Our database includes 201,469 c suite-level executives.

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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

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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 Ellen Clark, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Ellen Clark's Position in the MessageCEO Database

• •Ellen Clark is 1 of 1 verified executive contact we track at Tonic Inc..
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •2,227 verified executive contacts in Colorado are in the database.
• •757 verified contacts work at information technology & services companies in the 34.0 employee range (same size as Tonic Inc.).

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 We do not publish personal addresses or sensitive identifiers.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

Ellen Clark's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Tonic Inc.. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Ellen Clark work for?

Ellen Clark is CEO at Tonic Inc., a company in the information technology & services sector with 34.0 employees. The company is based in Denver, Colorado.

Can I pitch or sell to Ellen Clark?

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

What industry is Ellen Clark in?

Ellen Clark works in the information technology & services industry as CEO at Tonic Inc.. MessageCEO provides verified contact information for executives across all major industries.

Is Ellen Clark's contact information verified?

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

Last updated: June 7, 2026