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DK

Darren Keller

CEO

Keystone

Indianapolis, Indiana

Contact Information

Email
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Company Information

Company
Keystone
Industry
marketing & advertising
Employees
120.0
Seniority
C suite

Professional Summary

Darren Keller serves as CEO at Keystone. Keystone operates in the marketing & advertising sector with approximately 120.0 employees. The company is headquartered in Indianapolis, Indiana.

Industry & Role Insights

  • • MessageCEO tracks 9,879 executives in the marketing & advertising sector.
  • • We have verified contacts for 4 executives at Keystone.
  • • 832 executive contacts are available in Indiana.
  • • Our database includes 201,469 c suite-level executives.

Keywords

advertising services marketing & advertising

Related Executives

TI
Torbjorn Iversen Chief Operating Officer at Keystone
GA
Goran Akesson Chief Executive Officer at Keystone
RG
Richard Gottlieb President and COO at Keystone

Outreach Guidance — marketing & advertising Sector

Executives like Darren Keller in the marketing & advertising 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 Keystone.

Darren Keller's Position in the MessageCEO Database

  • •Darren Keller is 1 of 4 verified executive contacts we track at Keystone.
  • •9,714 verified executive contacts in marketing & advertising are in the MessageCEO database.
  • •768 verified executive contacts in Indiana are in the database.
  • •154 verified contacts work at marketing & advertising companies in the 120.0 employee range (same size as Keystone).

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 We do not publish personal addresses or sensitive identifiers.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 May 2026.

Frequently Asked Questions

How do I reach Darren Keller directly?

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

What company does Darren Keller work for?

Darren Keller is CEO at Keystone, a company in the marketing & advertising sector with 120.0 employees. The company is based in Indianapolis, Indiana.

Can I pitch or sell to Darren Keller?

As CEO at Keystone, Darren Keller is a key decision-maker in the marketing & advertising sector. MessageCEO Pro gives you verified email to reach Darren Keller directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Darren Keller in?

Darren Keller works in the marketing & advertising industry as CEO at Keystone. MessageCEO provides verified contact information for executives across all major industries.

Is Darren Keller's contact information verified?

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

Verified Profile
Last updated: May 26, 2026

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