Klaus Rainer Scherer (born 1943) is professor emeritus of psychology and director of the Swiss Center for Affective Sciences in Geneva.
[1] He is known for editing the Handbook of Affective Sciences and several other influential articles on emotions, expression, personality and music.
[2][3] Scherer received a PhD from Harvard University in 1970.
[4] The Component Process Model (CPM) is Scherer's major theory of emotions.
Emotions are identified with the overall process whereby low level cognitive appraisals, in particular the processing of relevance, trigger bodily reactions, behaviours and subjective feelings.