Complex sentence: Richard Eleftherios Boyatzis (born 1946) is an American organizational theorist and professor of Organizational Behavior at Case Western Reserve University, and expert in the field of emotional intelligence, behavior change, and competence.
Split into simpler sentences: Richard Eleftherios Boyatzis (born 1946) is an American organizational theorist and professor of Organizational Behavior at Case Western Reserve University. He is considered an expert in the field of emotional intelligence, behavior change, and competence.