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Trefoil Group

We bring an unprecedented commitment to every client’s success, delivering marketing programs grounded in strategy and designed to deliver business results.

Our experience, passion and the results we achieve differentiate us from other agencies and drive greater returns for our clients. And that’s exactly how we like it.

The fact is, it’s not about us – it’s all about you and helping you grow your business.

As your partner in success, we get to know your business and industry so we can anticipate your evolving demands. Our agility allows us to be as flexible as you need us to be, responding quickly and strategically.

Committed and accountable, you can rely on us to do what’s right for your business. Self-motivated and bound by principles, we treat your business like it’s our own.

Mary Scheibel, Founder & CEO
Jill Schroeder, Senior Vice President - Strategy

With over 25 years’ strategic marketing communications experience, Mary leverages a broad range of business and marketing perspectives to design and execute communication strategies that address complex business issues. Combining strong working knowledge and experience with a genuine commitment to each client’s success, business leaders can count on Mary’s counsel to be strategic, actionable and results driven. Mary speaks regularly on marketing to manufacturers, contributes to publications on an ongoing basis and sits on several boards

With over 20 years’ strategic marketing experience supporting national and global brands across B2B, B2C and technology markets, Jill drives marketing strategy that delivers business results. With experience developing marketing strategies for such brands as Kohler, Kohl’s, Johnson Controls, Honeywell, among others, Jill leverages her big brand experience to lead teams and programs that exceed expectations. In addition, clients benefit from analytical market positioning work honed while developing go-to-market strategies for Silicon Valley tech start-ups, in addition to managing global PR efforts for Oracle’s Collaboration Suite

Contact: Mary Scheibel, Founder & CEO
Mobile: +1 414 270 3513
Contact: Jill Schroeder, Senior Vice President - Strategy
Mobile: +1 414 274 3003


Trefoil Group
735 N Water St
Suite 200
Tel: +1 414 272 6898


  • B2B
  • Corporate
  • Financial

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