John Duffy, based in Santa Ana, CA, US, is currently a President, Owner, and Principal Investigator at Syrentis Clinical Research, bringing experience from previous roles at Apex Research Institute, John Gregory Duffy, MD A Professional Corporation, Skilled Nursing Facilities and Chapman Medical Center, Senior Mental Health Unit. John Duffy holds a Adult Psychiatry @ UCI Psychiatry Residency Program. With a robust skill set that includes Inpatient, PowerPoint, Clinical, EDC, Assisted Living and more, John Duffy contributes valuable insights to the industry. John Duffy has 1 email on RocketReach.