Square One Team

Founder & CEO S. Barrett Rinzler has created, designed and managed more than 20 distinctive concepts in multiple locations throughout the Southwest, San Diego and Denver. Square One Concepts is led by a management team with combined 100-plus years of experience.  

Barrett Rinzler

President & CEO

Tracy Frazier

Chief Operating Officer

Chef Robert Wagner

Corporate Chef

Will Prichard

Director of Purchasing

Cheryl Buynak

Director of Human Resources

Amy Harvey

Human Resources and Benefits

Danielle Dressor

Director of Marketing

Mandi Nilsen

Executive Assistant

Tony Ishak

Corporate Trainer

Chantel Gauthier

Office Assistant

Annamarie Gansheimer

Events & Community Outreach Manager