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.  

President & CEO

Chief Operations Officer

tracy@sq1c.com

CMO / Strategy Consultant

howard@sq1c.com

Chief Financial Officer

rwood@sq1c.com

Director of Purchasing

will@sq1c.com

Corporate Chef

chefrobert@sq1c.com

Corporate Trainer

tony@sq1c.com

Director of Human Resources

mvertes@sq1c.com

Human Resources Manager / West Valley & Corporate Office

pcabrera@sq1c.com

HR Generalist / East Valley

aringgold@sq1c.com

HR Payroll Specialist

nmastrodonato@sq1c.com

Group Sales & Catering Manager

lishak@sq1c.com

Executive Assistant

mandi@sq1c.com

Accounting Manager

srobinson@sq1c.com

Office Assistant

officeasst@sq1c.com