*Opinions expressed by contributors are their own. Hannah Kleinfeld is the Chief Operating Officer of Allergosan USA, the company behind Omni-Biotic probiotics. Omni-Biotic is a line of highly effective, clinically tested probiotics for specific health needs including stress management, gut restoration, immune support and more. Omni-Biotic was founded over 25 years ago in Austria by Institut Allergosan, global leader in microbiome science and gut health products. Omni-Biotic is a leading brand in Europe, #1 in Germany, Austria and Switzerland, and #4 worldwide based on IQVIA data. Hannah received a Bachelor of Arts degree in Economics and Psychology from Yale University, as well as a Master of Business Administration and Management from Harvard. Prior to joining Allergosan USA, Hannah worked as a Harvard Leadership Fellow at Boston Medical Center and served at McKinsey & Company with a focus in the healthcare industry. Hannah discovered her passion for health and wellbeing through her own journey with Lyme disease in her mid-twenties. Throughout this journey, she realized the importance of the gut microbiome for many critical functions in the body. Today, she is dedicated to educating about the importance of gut health as a foundation for wellbeing and is passionate about helping others experience healthy and vibrant lives.