Research Team Research Team Our staff is committed to producing and submitting clean and precise data in a timely fashion. We are a multi-specialty site that has established affiliations with primary care and other specialty groups. Dr. Ira J Gottlieb, DPM President & Owner Read Bio Dr. James E. Chappell, MD Principal Investigator & Sub-Investigator Read Bio Shana Hart, RN, CRC Day-Shift Supervisor, Research Coordinator, & Nurse Read Bio Tammy Tulowitzky-Ryan, CRC Night-Shift Supervisor & Research Coordinator Read Bio