Brittani (Brit) Rettig is the founder of GRIT Fitness, an empowering fitness concept based on her belief that mental grit or “passion and perseverance for long-term goals” is the key to both fitness success and to living our best lives.

Prior to founding GRIT Fitness, she was Manager at Deloitte Consulting, LLC and IBM Global Business Services. She earned her undergraduate degree from Cornell University where she was captain of women’s varsity basketball team and holds an MBA from Harvard Business School