Mark Stemmler (born August 7, 1960, in Norwood, Massachusetts, United States[1]), was Professor of Psychological Methodology and Quality Assurance at the Faculty of Psychology and Sports Science, Bielefeld University from 2007 to 2011.
He was also a member of the Center for Statistics[2] (Zentrum für Statistik) at Bielefeld University.
[1] Since 2010 he is also adjunct professor at the College of Health and Human Development at the Pennsylvania State University.
Stemmler was dean of the Faculty of Psychology and Sports Science, Bielefeld University.
[1] He was also responsible for the evaluation and quality assurance of the practical interventions (training of parents and children) of this study.