Duties include screening for eligible subjects, recruiting in the Medical Procedures Unit, in clinic, and over the phone. The coordinator will be administering questionnaires, collecting/processing/shipping samples, manually recording data, processing and analyzing data, and entering data into an electronic database and perform regulatory responsibilities. Candidate must feel comfortable approaching and communicating with patients during all stages of study participation, including explaining research protocols. Must be willing to handle and manage specimens including stool, blood, and tissue. Must be flexible in schedule in order to recruit and collect samples at patient appointments. Candidate will be responsible for following GCP, FDA, and other applicable regulations.