Since 2015, Co-Founder and Chief Executive Officer Andrew Barnell has led Geneoscopy Inc., a life sciences company focused on the development of diagnostic tests to help screen, monitor, and guide treatment for gastrointestinal diseases. Alongside his sister, Dr. Erica Barnell, Geneoscopy’s Chief Science Officer, Barnell expanded the company from a student-founded start-up at the BioGenerator Accelerator Lab to one of the most successful young enterprises in St. Louis, raising $113 million…