Gregory is a co-founder and CEO of KeepBio, a biotech executive with over two decades of experience bringing novel microbiome technologies from concept to the clinic. At Prolacta Bioscience, as Vice President of Product Innovation, he founded the department, built a team of 18, and led the company's synbiotic program from first pitch through three clinical trials. He was an early member of Seres Therapeutics, employee number 12, where he was part of the core team that developed VOWST™, and is recognized as the first author on the patents that protect it. Before Prolacta, he was Chief Scientific Officer of ConsortiaTX, developing a live-bacterial product to address food allergy. He holds 28 issued patents, a PhD in molecular and human genetics from Baylor College of Medicine, and completed a postdoctoral fellowship at Johns Hopkins as a Howard Hughes fellow.