Marc Winkelman

Marc Winkelman serves as CEO at Calendar Holdings LLC. Calendar Holdings LLC operates in the retail sector with approximately 530.0 employees. The company is headquartered in Austin, Texas. Calendar Holdings LLC generates annual revenue of 2400000.0.

Industry & Role Insights

• • MessageCEO tracks 2,854 executives in the retail sector.
• • 6,856 executive contacts are available in Texas.
• • Our database includes 201,469 c suite-level executives.

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Outreach Guidance — retail Sector

Retail executives like Marc Winkelman focus on margins, inventory, and omnichannel customer experience. Reference specific operational improvements and benchmark data from comparable retail brands.

How do I reach Marc Winkelman directly?

Marc Winkelman's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Calendar Holdings LLC. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Marc Winkelman work for?

Marc Winkelman is CEO at Calendar Holdings LLC, a company in the retail sector with 530.0 employees. The company is based in Austin, Texas.

Can I pitch or sell to Marc Winkelman?

As CEO at Calendar Holdings LLC, Marc Winkelman is a key decision-maker in the retail sector. MessageCEO Pro gives you verified email to reach Marc Winkelman directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Marc Winkelman in?

Marc Winkelman works in the retail industry as CEO at Calendar Holdings LLC. MessageCEO provides verified contact information for executives across all major industries.

Is Marc Winkelman's contact information verified?

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

Last updated: May 18, 2026