Tim Callahan- Chief Scientific Officer
Dr. Timothy Callahan received his Ph.D. from Capella University in Interdisciplinary Studies with a concentration in Research Methodology.  He has conducted research in Silent Myocardial Ischemia at the National Institutes of Health in Bethesda, Maryland.  Dr. Callahan has been in the research industry for approximately 20 years.  An expert in diagnostic testing, he co-authored 2 patents in QT interval analysis and has authored many abstracts and publications. 
Dr. Callahan is a frequent speaker at Pharmaceutical Industry functions, including acting as the co-chair of the October 2002 DIA "ECGs in Clinical Trials" meeting.