Creator Peta Sitcheff developed Momentum Mindset over the past six years following a »Creator Peta Sitcheff developed Momentum Mindset over the past six years following a successful twenty-five-year career as a sales professional in the competitive world of medical device sales. My Beautiful Mess – living through burnout and rediscovering me, is Peta's self-published memoir. Many of its customer stories are the contextual backbone for each Momentum Mindset™ module.