Chad Gwaltney, Ph.D. is President and Principal Consultant at Gwaltney Consulting. Dr. Gwaltney develops innovative methods to measure patient-centered outcomes in clinical trials. His academic and industry research include the design of electronic platforms for the collection of information in real-time in the patient’s natural environment. He has published numerous articles and book chapters addressing how the patient’s perspective can be examined to better understand medical product efficacy and safety. He has served on US NIH review committees and has co-authored ISPOR best practice guidelines on the development and use of patient-reported outcomes.

Ari Gnanasakthy, MBA, MSc, is Head of Patient-Reported Outcomes at RTI HS. He has 30+years of experience in the pharmaceutical industry. After receiving his bachelor's degree in mathematics, statistics, and computing, Mr. Gnanasakthy joined Rothamsted Experimental Station (UK), where he was responsible for the statistical analysis of survey data of agricultural soil in England and Wales. Mr. Gnanasakthy's extensive experience in the field of statistics and outcome research has resulted in numerous abstracts and almost 40 publications. Mr. Gnanasakthy has developed and validated over a dozen patient-reported outcomes instruments and currently serves in the editorial board of Cancer Clinical Trials.

Dr. Powers is a physician/investigator and an internist and specialist in infectious diseases. Dr Powers has particular expertise in the design, conduct and analysis of clinical trials and has published numerous articles and book chapters in this area.