The principal goal of LEADD is to catalyze the development and dissemination of innovative techniques in advanced gastrointestinal endoscopy at Johns Hopkins Medical Institutions, by providing the resources and expertise to conceptualize, design, build, and test new endoscopic devices. LEADD resources will also provide resources for endoscopy education for trainees and faculty. Additional Faculty: Anthony Kalloo, M.D.; Mouen Khashab, M.D., Saowanee Ngamruengphong, M.D.