The Stewart Lab is researching and developing novel means for inducing the replication and regeneration of human insulin-producing pancreatic beta cells, the loss of which is linked to both Type 1 and Type 2 diabetes. As director of the Diabetes, Obesity, and Metabolism Institute at Mount Sinai, he and his research team study the basic mechanisms involved in diabetes and develop therapies to prevent and cure the disease. He also oversees the continued expansion of the Institute through the recruitment of additional national experts.