Editorial Board

 Paul R. Yarnold, Ph.D., Editor    

President, Optimal Data Analysis, LLC  


Dr. Yarnold received his Ph.D. in academic psychology from the University of Illinois at Chicago in 1984. He joined the faculty of Northwestern University Medical School (NUMS) in the Department of Medicine as an Assistant Professor in the Division of General Internal Medicine (GIM) in 1985, and he was promoted to Research Professor of Medicine in 1991 with affiliations in GIM, rehabilitation medicine, geriatrics, allergy/immunology, and oncology. In 2000 Paul joined the faculty at NUMS as a Research Professor in the Department of Emergency Medicine until 2010. In 1985, he joined the faculty of the Department of Psychology at the University of Illinois at Chicago (UIC), where he was promoted to Adjunct Professor in 1991, and he served until 2010. In 2013 Paul joined the College of Pharmacy of the University of South Carolina in Columbia—his current affiliation. Professor Yarnold has published more than 500 journal articles (primarily in the fields of medicine, statistics and psychology), six books and six software systems, he obtained more than $20 million in research funding, received a patent, served on four journal editorial boards, and was an Ad Hoc reviewer for 62 journals. Paul was elected Fellow of the Society of Behavioral Medicine, and of the American Psychological Association, in Divisions 5 (Evaluation, Measurement and Statistics) and 38 (Health Psychology). Throughout his career, Dr. Yarnold has focused on development of statistical methods which explicitly maximize predictive accuracy, and his programmatic research culminated in the discovery of novometric theory—the conceptual analogue of quantum mechanics for non-Hilbert applications. He founded the eJournal Optimal Data Analysis in 2010, on which he serves as Editor-in-Chief.

Fred B. Bryant, Ph.D., Co-Editor

Professor, Department of Psychology, Loyola University Chicago, Chicago, IL  


Dr. Fred B. Bryant received his Ph.D. in social psychology from Northwestern University in 1980. He received a National Research Service Award from the National Institute of Mental Health for postdoctoral training in survey research at the University of Michigan’s Institute for Social Research (1979-82). In 1982, he joined the faculty at Loyola University Chicago as an Assistant Professor of Psychology, and was promoted to full professor in 1990. He teaches undergraduate and graduate classes in social psychology, research methods, advanced statistics, and structural equation modeling. He was Faculty Member of the Year at Loyola University Chicago in 2005.  Dr. Bryant has roughly 225 professional publications in personality, social psychology, behavioral medicine, and psychometrics. He has helped secure more than $16 million in research grants. He has given numerous workshops on multivariate statistical analysis at many prominent universities, including Harvard, Yale, Northwestern, the University of Michigan and the United States Air Force Academy. Dr. Bryant is perhaps best known for his work on “savoring,” or cognitive and behavioral processes underlying positive emotions. He has extensive consulting experience in applied settings including medicine, education, marketing, and program evaluation, and he has served as an expert witness in several federal court cases involving theory, methodology, and statistics in social and industrial-organizational psychology. Dr. Bryant has been using optimal data analysis to analyze research data since 1993.

Ariel Linden, Dr.P.H., Co-Editor

Research Specialist, Department of Medicine, University of California, San Francisco


Dr. Linden began his healthcare career as a clinical scientist in the areas of cardiovascular and pulmonary physiology. He completed his doctorate at UCLA in health services research in 1997, extending his expertise in clinical research to measurement and evaluation strategies of large scale and population-based interventions. Dr. Linden has published over 100 peer-reviewed papers, book chapters, letters to the editor, and scientific abstracts. In 2003 he was commissioned to write a position paper for the disease management industry’s trade organization – the Disease Management Association of America (DMAA), and in 2006, Dr. Linden won the DMAA’s prestigious award for “Outstanding Journal Article.” In 2008, he was named “Leader in Disease Management” by Managed Healthcare Executive. Dr. Linden currently is a research specialist in the department of medicine at the University of California, San Francisco. He previously held appointments at the University of Michigan and Oregon Health and Science University. He has also been a Visiting Professor in four countries. He further contributes to academic advancement as an Associate Editor of the Journal of Evaluation in Clinical Practice (JECP) and serves on the editorial board of seven other medical journals.

N. Jim Rhodes, Pharm.D., M.Sc., BCPS-AQ Infectious Diseases, Co-Editor

Assistant Professor of Pharmacy Practice, Chicago College of Pharmacy, Midwestern University, Downers Grove, Illinois

Dr. Rhodes completed his Doctor of Pharmacy degree at the University of Florida and jim_rhodesMaster of Science in Clinical Investigations at Northwestern University. He then completed four years of post-graduate training including an acute care pharmacy residency, a specialty Infectious Diseases residency, and a two-year fellowship in Infectious Diseases Pharmacotherapy, extending his expertise to include clinical outcomes data modeling and pharmacometrics. Dr. Rhodes has published over 50 peer-reviewed papers, 2 book chapters, and multiple conference abstracts. Dr. Rhodes currently serves as an Assistant Professor at Midwestern University, in Downers Grove Illinois, where he serves as a clinical and didactic instructor in infectious diseases therapeutics and clinical pharmacokinetics. In 2018, he joined the Midwestern University Pharmacometrics Center of Excellence. In 2019, he was recognized by the Society of Infectious Diseases Pharmacists with the Young Investigator Award. He has received distinctions for clinical teaching, and for outstanding service in the scientific peer review process. His primary foci in current research include predictors of antibiotic resistance in Gram-negative pathogens and the clinical pharmacokinetics of antibiotic in special populations. In addition, Dr. Rhodes is constructing an R-based interface for MegaODA and CTA software.

Marc H. Scheetz, Pharm.D., M.Sc., BCPS, Co-Editor

Professor of Pharmacy Practice, Director of the Pharmacometric Center of Excellence, Midwestern University Chicago College of Pharmacy, Downers Grove, Illinois
Infectious Diseases Pharmacist, Northwestern Memorial Hospital, Chicago, Illinois

MarcScheetzMarc Scheetz attained a Doctorate of Pharmacy from Butler University, earned a Masters of Science in Clinical Investigation degree at Northwestern University, and completed his pharmacy practice residency and an infectious diseases fellowship at Northwestern Memorial Hospital. Dr. Scheetz is a Professor at Midwestern University in the Chicago College of Pharmacy and holds a joint appointment in the Department of Pharmacology, College of Graduate Studies.  Dr. Scheetz is the Director of the Pharmacometric Center of Excellence at Midwestern University.  He currently practices clinically as an infectious diseases pharmacist at Northwestern Memorial Hospital in downtown Chicago, IL and serves as the Director for the Post-Doctoral Fellowship Program in Infectious Diseases Pharmacotherapy.Dr. Scheetz has authored a number of original research manuscripts and review articles in the area of anti-infective pharmacokinetics and pharmacodynamics and currently serves as a reviewer for several infectious diseases, pharmacy, and medical journals. His primary research interest lies in the interface of the pharmacokinetic/pharmacodynamic interaction (i.e. between antimicrobials, pathogens, and hosts). He is particularly interested in assessing modifiable pharmacologic variables in the treatment of infectious diseases and identifying optimal exposures against the backdrop of toxicity.  His group studies toxicology in the laboratory as well as through clinical data modeling.  Dr. Scheetz is actively engaged in local and national leadership positions and formerly served as a member of the FDA Antimicrobial Drugs Advisory Committee.